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    1. ABOUT US|A professional mold manufacturer

      Dongguan Group Co., Ltd.

      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 ......

      PRODUCT| Mold Electronic appliances Toy car Medical accessories Auto parts Household daily necessities
      • Classification of mold steel

        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

        29Reviews29Like
      • The role of tool and die steel alloying elements

        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

        33Reviews33Like
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      COPYRIGHT(C)   Qunhe Group Co.,Ltd   ALL RIGHT
      RESERVED
      Filing number:粵ICP備15078889號-1
      Technical support:Dongguan network company【dongdian】
      Telephone:0769-82003996 
      Fax:0769-82003997
      Business:0769-82003995  /  0769-82003996-674 
      Address:East two road, Zhutang village, Fenggang town, Dongguan city Guangdong Province in China.
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