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introduction
consult on hotline
010-58412481
13703267214
certificat
(1) qualified certification
 |  |
| Safety management system | EU Rohs |
 |  |
| Quality management system | High - technology industry |
（2）21-Patents：
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consult on hotline
010-58412481
13703267214
(1) qualified certification
| |
| Safety management system | EU Rohs |
| |
| Quality management system | High - technology industry |
（2）21-Patents：