Address: Room 2101,Wanda Center, East Road 208,Dongguan City, Guangdong Province

Tel: +86 0769-33365786

Fax: +86 0769-23051693

Email: info@otschina.com.cn

Address: The First Garden B5 Buildings,Wuzhong Road 2588,Wuzhong District, Suzhou City Jiangsu Province

Tel: +86 0512-67078249

Fax: +86 0512-67078749

Address: Room 539, Excellence Building, 688 Zhujiang Road, Xuanwu District, Nanjing City, Jiangsu Province

Tel: +86 025-85657886

Fax: +86 025-85657896

Address: No.68, Gaoyuan District, Jiaojiang District, Taizhou City, Zhejiang Province

Tel: +86 0576-88522556

Fax: +86 0576-88522556

Address: No. 551-1, 4, Central Road, Taichung City, Taiwan

Tel: 00886 4-24731563

Fax: 00886 4-23804092

Address: 1201 N Park Ave Tucson AZ 85719

Email: info@otschina.com.cn

Address: 248 no.1A Road,An Lac-Binh Tri Dong Residence,B Ward, Binh Tan Disrtict, HO Chi Minh City, Vietnam.

Email: info@otschina.com.cn

Address: No. 5 Jalan Kilang Barat #08-06 Petro Centre Singapore, 159349

Email: info@otschina.com.cn

Address: Strada della Cebrosa 86 ,10156 Torino Italy

Email: info@otschina.com.cn