| Company Name | Long Mark Optoelectronics Co., Ltd. |
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| About Us | Not set |
| Tel | Login to view |
| Fax | (852) 2834 7890 |
| Name | Simon Pun |
| Address | 21/F., Chinaweal Center, 414 Jaffe Road, Wanchai |
| Hong Kong, , 852, Hong Kong | |
| Products Details | Longmark makes quality LED signs and LED components at competitive price in China. We also make custom design. Contact sales@moving-sign-board. com .. |
| Web Site | Login to view |
| B2 B Website | |
| B2 C Website Shop | |
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| Certificate | |
| Mainly Products |