| 真空镀膜设备买家 |
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| | Hi, I am looking for vacuum coating equipment distributors in China. I would like to ask some questions about your company. 1. how many factories your company has? 2. what is the response time f...
| | | | | We manufacture carbide threading inserts & looking to do our own coating. Currently we send out to have coating done but it is not a consistent coating. We have three different coatings that we of...
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