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Dongguan City Group co-Die Co., Ltd. (Qunhe Mould Co.,Ltd) located in Dongguan City, Zhutang village, Fenggang Town, covers an area of about 5,000 square meters, it is a plastic mold manufacturing, injection molding, product assembly as one integrated processing plant. The company has a professional Technical personnel more than 100 people, has a complete and scientific quality management system. The company has advanced ......
First, the tool steel classification Die steel according to their use can be divided into cold die steel, hot die steel and plastic mold steel these three categories. Due to
First, carbon (C): carbon content in steel increases, the yield point and the tensile strength increased, but reduced ductility and impact resistance, when the carbon content exceeds 0.23%, weldabilit
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