Our factory specializes in the production of die-cast metal products processing hardware accessories zinc alloy products deserve plug bracket feet: there are two circular needles supply zinc alloy jewelry, just connect FireWire (L) and neutral (N), a non-ground. Typically such plugs can be inserted into any one direction zinc alloy socket, leaving the plug can easily change the location of the hot and neutral lines. Generally pin sizes: 4.0mm, 4.8mm, 5.0mm pin plug bracket: There three circular needle zinc alloy products processing plant, connecting FireWire (L) and neutral (N), ground. Usually only one direction a plug can be inserted into the socket, general pins sizes: 4.0mm, 5.0mm zinc alloy jewelry, 7.0mm, 8.7mm Dongguan Da Ling Shan Chang Sheng processing hardware store copper effects: 1. increase the hardness and strength of the alloy; 2. improve wear resistance of the alloy; 3. reduce intergranular corrosion. . Hardware copper sleeve unfavorable: a copper content of more than 1.25%, the make casting dimensions and mechanical strength due to aging and changes; 2 lower alloy extensibility. Role: ① increased copper content of the alloy strength of zinc alloy die Which is stronger | Chang Sheng Hardware (certified) | zinc alloy provided by Dongguan Da Ling Shan Chang Sheng processing hardware store. Dongguan Da Ling Shan Chang Sheng processing hardware store (shop1379091614724.1688.com) is Dongguan, hardware accessories leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Chang Sheng Hardware in leadership with the staff warmly welcome all inquiries negotiations to create Chang Sheng Hardware a better future.