Supply LED turn crystal film, 3M turned crystal film, extended crystal film, LED accessories
environment-friendly expansion of crystal ring;3, agent COB / LED bonding materials: gold, porcelain Tsui, aluminum steel Tsui, thorn crystal pen, crystal translation mode (on the East / 3M), silver, aluminum boat aluminum plate, etc.4, long-term acquisition and disposal of used manual and gold bonding wire ball welding machine
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11/15 02:44