For further information about any of our services and to obtain a free quotation, please get in touch using the form below.
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Corporate Headquarters (Geneva)
- 41 Avenue Peschier 1206 Geneva
- cotecna.geneva@cotecna.com
- +41 22 8496900
- www.cotecna.com
- Send an email >>
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North Asia & China Headquarters (Shanghai)
- Room 2808, Tower A, China Overseas Center, No. 2, Lane 699, Tongchuan Road, Shanghai 200333, P. R. China
- services@cotecna.com.cn
- +86 21 6867 2300
- www.cotecna.com.cn
- Send an email >>
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Beijing
- Room 606, Xinzhong Building, No. 2 West Xinzhong Street, Dongcheng District, Beijing 100027, P. R. China
- services@cotecna.com.cn
- +86 10 6581 3931
- www.cotecna.com.cn
- Send an email >>
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Guangzhou
- Room FGH, 26/F, Sanxin Building, No. 33 West Huangpu Avenue, Tianhe District, Guangzhou, Guangdong Province 510620, P. R. China
- services@cotecna.com.cn
- +86 20 8552 0702
- www.cotecna.com.cn
- Send an email >>
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Dongguan
- Room 307, 3/F, Zhongxin Building, Xibeisha Pier, Xinshagang, Mayong Town,Dongguan, Guangdong Province 523147, P. R. China
- services@cotecna.com.cn
- +86 769 8823 0021
- www.cotecna.com.cn
- Send an email >>
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Rizhao
- South of Haibin 1st Road, Rizhao, Shandong Province 276826, P. R. China
- services@cotecna.com.cn
- +86 633 889 0388
- www.cotecna.com.cn
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Jiangyin
- Room C101, Changhong International Logistics Park, No. 398 West Binjiang Road, Jiangyin, Jiangsu Province 214442, P. R. China
- services@cotecna.com.cn
- +86 510 8629 2106
- www.cotecna.com.cn
- Send an email >>
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Tangshan
- North of Gangrong Street (200 metres west of the State Grid), Harbour Development Zone, Tangshan, Hebei Province 063611, P. R. China
- services@cotecna.com.cn
- +86 315 291 2698
- www.cotecna.com.cn
- Send an email >>
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Qingdao
- Room 1206, Building 3, Publishing Building, No. 182 Hai’er Road, Laoshan District, Qingdao, Shandong Province 266061, P. R. China
- services@cotecna.com.cn
- +86 532 6806 6518
- www.cotecna.com.cn
- Send an email >>
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Huangdao
- 5/F, No. 2 Production Workshop, No. 917B Weihe Road, Huangdao District, Qingdao, Shandong Province 266510, P. R. China
- services@cotecna.com.cn
- +86 532 8098 5878
- www.cotecna.com.cn
- Send an email >>
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Hong Kong
- Unit 2317, 23/F, Corporation Park, No. 11 On Lai Street, Shek Mun, Sha Tin District, New Territories, Hong Kong 999077, P. R. China
- services@cotecna.com.cn
- +852 2111 3573
- www.cotecna.com.cn
- Send an email >>
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Tianjin
- Building 12, Haigang Pioneer Park, Lingang Economic Zone, Binhan New District, Tianjin 300452, P. R. China
- 100027
- +86 315 291 2698
- www.cotecna.com.cn
- Send an email >>
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Kaixin Certification
- Room 309, Xinzhong Building, No. 2 West Xinzhong Street, Dongcheng District, Beijing 100027, P. R. China
- kaixin@cotecna.com.cn
- +86 10 6553 5910
- www.kcb-china.com
- Send an email >>
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Baier Testing
- 5/F, No. 1 Diancishiyan Building, No. 2 Fuhua Alley, High-Tech District, Weifang, Shandong Province 261041, P. R. China
- 100027
- +86 536 8889 600
- www.chinabaier.com
- Send an email >>
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Toby Technology
- 1/F, Building 6, Rundongsheng Industrial Park, Baoan District, Shenzhen, Guangdong Province 518126, P. R. China
- toby@cotecna.com.cn
- +86 755 2650 9301
- www.tobylab.cn
- Send an email >>
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Toby Laboratories
- Room 307-309&311, Building 2, Huahan Technology Industrial Park, No. 19 Lanjinsi Road, Pingshan District, Shenzhen, Guangdong Province 518118, P. R. China
- toby@cotecna.com.cn
- +86 755 2868 1363
- www.tobylab.cn
- Send an email >>
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ESTS Hong Kong
- Room 1201, 12/F, Tai Sang Bank Building, 130-132 Des Voeux Road, Central, Hong Kong 999077, P. R. China
- ests@cotecna.com.cn
- +852 2134 9710
- www.estsglobal.com
- Send an email >>
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ESTS Shenzhen
- Room 5H-569, Hanking Mansion, 23 Dengliang Road, Nanshan District, Shenzhen, Guangdong Province 518056, P. R. China
- ests@cotecna.com.cn
- +86 755 8639 0149
- www.estsglobal.com
- Send an email >>
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ESTS Guangdong
- Room 1907, Tower 2, International Trade Center, No. 1 Hongfu East Road, Dongcheng Sub-District, Dongguan City, Guangdong Province 523000, P. R. China
- ests@cotecna.com.cn
- +86 769 2166 1360
- www.estsglobal.com
- Send an email >>
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ESTS Zhejiang
- Building 5, 500 East Shuiyueting Road, Haining, Zhejiang Province 314400, P. R. China
- ests@cotecna.com.cn
- +86 573 8702 8891
- www.estsglobal.com
- Send an email >>
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Jianchuang Testing
- Room 410, 4/F, Building 4, No. 158 Binwen Road, Changhe Sub-District, Binjiang District, Hangzhou, Zhejiang Province 310052, P. R. China
- hjc@cotecna.com.cn
- +86 571 8755 3051
- www.zjctest.com
- Send an email >>
