2ALNA-OWS01Wireless Headphones

Shenzhen Thousandshores Technology Co., Ltd. 2024-09-19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCC ID: 2ALNA-OWS01 [Shenzhen Thousandshores Technology Co., Ltd.] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Signature: Applicant name: Jack Yu Shenzhen Thousandshores Technology Co., Ltd. 2024-09-19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for FCC ID: 2ALNA-OWS01 [Shenzhen Thousandshores Technology Co., Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Signature: Applicant name: Jack Yu

Shenzhen Thousandshores Technology Co., Ltd. (2024-09-19) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: 2ALNA-OWS01) (Shenzhen Thousandshores Technology Co., Ltd.), the undersigned, hereby authorize Thousandshores Inc to act as our designated U.S. agent for service of process, (Shenzhen Thousandshores Technology Co., Ltd.) accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Thousandshores Inc accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information： Company Name: Shenzhen Thousandshores Technology Co., Ltd. Contact Name: Jack Yu Address: Room 1101, Building B, Lotus Plaza, No. 3186, Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China FRN: 0026388363 Telephone No: +86-15915330591 Email: [email protected] Signature [Jack Yu] U.S. Agent Information: Company Name: Thousandshores Inc Address: 37707 Cherry St, Newark, CA 94560, United States FRN: 0033423062 Contact Name: Jack Yu Telephone No: (510) 477-0249 Email: [email protected] Signature [Jack Yu]

Shenzhen Thousandshores Technology Co., Ltd. 2024-09-19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 R E: CONFIDENTIALITY REQUEST FOR (Wireless Headphones / OWS01/ FCC ID: 2ALNA-OWS01) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Sch ematic Diagram Block Diagram Operational Description required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Pl ease contact me if there is any information you may need. Si ncerely, Signature: Applicant name: Jack Yu

Shenzhen Thousandshores Technology Co., Ltd. 2024-09 -19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (SHENZHEN TONGCE TESTING LAB) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Applicant name: Jack Yu

Shenzhen Thousandshores Technology Co., Ltd. 2024-09-19 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Short Term Confidentiality Request For(Wireless Headphones/OWS01/ FCC ID：2ALNA-OWS01) To Whom It May Concern: I n accordance with sections 0.457 and 0.459 of CFR 47, <Shenzhen Thousandshores Technology Co., Ltd.>. requests short-term Confidentiality of following sections of this application for a period of 180 days after grant is issued. Test setup photos External photos Internal photos User’s manual These documents contain detailed system and equipment descriptions and related information about the product, which < Shenzhen Thousandshores Technology Co., L td.> considers to be proprietary, confidential, and a custom design and otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, < Shenzhen T housandshores Technology Co., Ltd.> feels that this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give our competitors an unfair advantage in the market. Please contact me if th ere is any information you may need. Sincerely, S ignature: Applicant name: Jack Yu

Label Artwork and Location Model: OWS01 Label and size: Location

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2ALNA-OWS01 Test Report No. ............... : TCT240820E013 Date of issue ................... : Aug. 23, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhen Thousandshores Technology Co., Ltd. Address ........................... : Room 1101, Building B, Lotus Plaza, No. 3186, Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Manufacturer's name ... : Shenzhen Thousandshores Technology Co., Ltd. Address ........................... : Room 1101, Building B, Lotus Plaza, No. 3186, Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Standard(s) ..................... : KDB 447498 D01 General RF Exposure Guidance v06 Product Name ................. : Wireless Headphones Trade Mark ...................... : iClever Model/Type reference..... : OWS01 Rating(s).......................... : Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : Aug. 20, 2024 Date (s) of performance of test ................................... : Aug. 20, 2024 ~ Aug. 23, 2024 Tested by (+signature) ... : Ronaldo LUO Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240820E013 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT240820E013 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : Wireless Headphones Model/Type reference........... : OWS01 Sample Number....................: TCT240820E012-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : GFSK, π/4-DQPSK Antenna Type ........................ : Chip Antenna Antenna Gain ........................ : 2.67dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT240820E013 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 3.7V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Transmitting mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT240820E013 Page 5 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. Facilities and Accreditations 3.1. Facilities The test facility is recognized, certified, or accredited by the following organizations: ● FCC - Registration No.: 645098 SHENZHEN TONGCE TESTING LAB Designation Number: CN1205 The testing lab has been registered and fully described in a report with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. ● IC - Registration No.: 10668A SHENZHEN TONGCE TESTING LAB CAB identifier: CN0031 The testing lab has been registered by Innovation, Science and Economic Development Canada for radio equipment t…

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深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± 深圳市朋伴兴业科技有限公司 Shenzhen Pengban Xingye Technology Co., Ltd SCALE：N/AUNIT：mm THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-3216 Specification DOCUMENT NO. 3216 SPEC REV. P1 产品规格承认书 SPECIFICATIONS 客户: CUSTOMER: 产品名称: DESCRIPTION: 蓝牙天线Bluetooth ANT 客户型号: CUSTOMER PART No: 产品型号: OUR MODEL NO:PBX3216MC02 日期: DATE:2020/12/22 确认签字,盖章后请返回承认书一份 PLEASE RETURN TO US ONE COPY OF “SPECIFICATION FOR APPROVAL” WITH YOUR APPROVED SIGNATURES 核准王海审核刘飞制作刘小美 客户承认签印 日期 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd SCALE：N/AUNIT：mm THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-3216 Specification DOCUMENT NO. 3216 SPEC REV. P1 PBX3216MC02 Specification Operating Temp. : -40°C~+85°C 1. FEATURES : ●Light weight, compact ●Wide bandwidth, low cost ●Built-in antenna with high gain 2. APPLICATIONS : ●Bluetooth, Wireless LAN, Mobile TV ●Home RF System, etc 3. PRODUCT IDENTIFICATION (1)(2)(3) (1) Product type: Multilayer chip Antenna (2) Center Frequency: 2450MHz (3) External Dimensions (L×W) (mm): 3.2*1.6 4. SHAPE AND DIMENSIONS: LWHA 3.2±0.21.6±0.20.52±0.10.4±0.1 CH IP45 032 2 16 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd SCALE：N/AUNIT：mm THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-3216 Specification DOCUMENT NO. 3216 SPEC REV. P1 测试板参考尺寸： 单位：mm 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd SCALE：N/AUNIT：mm THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-3216 Specification DOCUMENT NO. 3216 SPEC REV. P1 打孔参考示意图 APPLICATION GUIDE 5. SPECIFICATIONS: * Test condition: Test board size 90*40 mm Matching circuit: Pi matching circuit will be required Bandwidth Polarization Max. Gain Efficiency Input impedance Linear 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd SCALE：N/AUNIT：mm THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-3216 Specification DOCUMENT NO. 3216 SPEC REV. P1 6. Electrical Characteristics : 回波损耗 驻波比 MarkFrequencyVSWR 12400 MHz1.513 22440 MHz1.068 32480 MHz1.464 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd SCALE：N/AUNIT：mm THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-3216 Specification DOCUMENT NO. 3216 SPEC REV. P1 Radiation Pattern The Gain pattern is measured in FAR-field chamber. DUT is placed on the table of rotator,a standard horn antenna and Vector Network Analyzer is used to collect data. ◎ 效率 最大增益 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd SCALE：N/AUNIT：mm THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-3216 Specification DOCUMENT NO. 3216 SPEC REV. P1 ◎3D Gain Pattern (2400 MHz) ◎3D Gain Pattern (2440 MHz) ◎3D Gain Pattern (2480 MHz) 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± 深圳市朋伴兴业科技有限公司 Shenzhen PengbanXingye Technology Co., Ltd SCALE：N/AUNIT：mm THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-3216 Specification DOCUMENT NO. 3216 SPEC REV. P1 7. Environmental Characteristics (1) Reliability Test (2) Storage Condition (a) At warehouse: The temperature should be within 0 ~ 30°Cand humidity should be less than 60% RH. The product should be used within 1 year from the time of delivery. (b) On board: The temperature should be within -40~85°Cand humidity should be less than 85%…

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Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2ALNA-OWS01 Test Report No. ............... : TCT240820E012 Date of issue ................... : Aug. 23, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhen Thousandshores Technology Co., Ltd. Address ........................... : Room 1101, Building B, Lotus Plaza, No. 3186, Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Manufacturer's name ..... : Shenzhen Thousandshores Technology Co., Ltd. Address ........................... : Room 1101, Building B, Lotus Plaza, No. 3186, Nanshan Avenue, Majialong Community, Nantou Street, Nanshan District, Shenzhen, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Product Name ................. : Wireless Headphones Trade Mark ...................... : iClever Model/Type reference..... : OWS01 Rating(s).......................... : Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : Aug. 20, 2024 Date (s) of performance of test ................................... : Aug. 20, 2024 ~ Aug. 23, 2024 Tested by (+signature) ... : Ronaldo LUO Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240820E012 Page 2 of 71 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 4 2. Test Result Summary .............................................................................. 5 3. General Information ................................................................................. 6 3.1. Test environment and mode ................................................................................. 6 3.2. Description of Support Units ................................................................................ 7 4. Facilities and Accreditations .................................................................. 8 4.1. Facilities ................................................................................................................. 8 4.2. Location ................................................................................................................. 8 4.3. Measurement Uncertainty ..................................................................................... 8 5. Test Results and Measurement Data ..................................................... 9 5.1. Antenna requirement ............................................................................................ 9 5.2. Conducted Emission ........................................................................................... 10 5.3. Conducted Output Power ................................................................................... 14 5.4. 20dB Occupy Bandwidth .................................................................................... 15 5.5. Carrier Frequencies Separation ......................................................................... 16 5.6. Hopping Channel Number .................................................................................. 17 5.7. Dwell Time ............................................................................................................ 18 5.8. Pseudorandom Frequency Hopping Sequence ................................................ 19 5.9. Conducted Band Edge Measurement ................................................................ 20 5.10.Conducted Spurious Emission Measurement .................................................. 21 5.11.Radiated Spurious Emission Measurement ..................................................... 22 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT240820E012 Page 3 of 71 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : Wireless Headphones Model/Type reference........... : OWS01 Sample Number....................: TCT240820E012-0101 Bluetooth Version ................ : V5.4 Operation Frequency ........... : 2402MHz~2480MHz Transfer Rate ........................ : 1/2 Mbits/s Number of Channel .............. : 79 Modulation Type ................... : GFSK, π/4-DQPSK Modulation Technology ....... : FHSS Antenna Type ........................ : Chip Antenna Antenna Gain ........................ : 2.67dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list None. Report No.: TCT240820E012 Page 4 of 71 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http:/…

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