We are the manufacture of DP dies and drill screw molds in a full range of sizes. We have been in this field of p roducing and sale of screw molds for more than ten years. We can offer cutter diameter 2.1mm to 10.8mm in 0.05mm increments, and length 1.5mm to 23.5mm in 0.1mm increments. We can also produce any feature according to customer’s request. Gian-Yeh is established in 1989, and has been manufacturing screws from the very beginning. We offer customers solutions to any problems they may face.