| Addresss : | 14F, Duocai B BD, High-Techer Park Guanlan, Guanhu, Longhua, Shenzhen, Guangdong, China. P/c: 518110 |
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| Factory-Adresse : | 4F, Yueheng BD, Dalang, Longhua, Shenzhen, Guangdong, China. P/c: 518111 |
| Arbeitszeit : | 09:00-18:00(Peking-Zeit) |
| Telefon : | 86--13410896018(Arbeitszeit) 86-755-61119991(Nicht Arbeitszeit) |
| Faxen : | 86-755-61119991 |
| E-Mail : | david.wk.he@kocentoptec.com |
| Addresss : | Room 1, 16F Empress Plaza 17-19 Chatham Road, Tsim Sha Tsui, Kownloon, Hongkong, China. |
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| Telefon : | 852--26681868 |
| Faxen : | 852--26681899 |
| Addresss : | Machang Industrial Zone, Qing Xian, Cangzhou, Hebei, China. |
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| Addresss : | No 6A, Lane 235, Nguyen Trai, Thuong Dinh, Thanh Xuan, Ha Noi, Viet Nam. |
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| Telefon : | 84-024-22255666 |
| Telefon : | 86-13410896018 |
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| WHATSAPP : | +8613410896018 |
| Skype : | 86-13410896018 |
| WeChat : | 86-13410896018 |
| E-Mail : | david.wk.he@kocentoptec.com |
| Telefon : | 86-18664578169 |
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| WHATSAPP : | +8618664578169 |
| WeChat : | 86-18664578169 |
| E-Mail : | mary.linh@kocentoptec.com |