Dongguan Da Ling Shan Chang Sheng processing hardware store alloy composition control handle from procurement beginning zinc alloy ingots, alloy ingots must be based on ultra-high-purity zinc-based zinc alloy luggage accessories, coupled with ultra-high-purity aluminum, magnesium, copper formulated into Zinc alloy ingots, supplier strict ingredient standards. Quality zinc alloy material is the production of superior quality cast zinc alloy bearings guarantee. And other new materials and nozzle back charge ratio of not more than 50% return charge zinc alloy electronic accessories, most of the new material: old material = 70:30. Continuous melting alloy of aluminum and magnesium decreased. Dongguan Da Ling Shan Chang Sheng processing hardware store to select what kind of zinc alloy, mainly from three aspects to consider good 2. Process performance: (1) casting process; (2) the machining process; and (3) surface treatment process sex. 3. The economy is good: the cost of raw materials and production equipment requirements (including smelting equipment, casting machines, molds, etc.), as well as production costs. Zinc alloy jewelry, 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.