Dongguan Da Ling Shan Chang Sheng processing hardware store is often called the cradle of European heads specifications, namely Europlug. Is a non-polarized plug grounding bracket PRD zinc alloy die-casting, there are two circular needles 4mm diameter zinc alloy die Which is stronger, and the two circular needles usually have a plastic bag plastic zinc alloy pins EU regulations, semi insulated to prevent accidental electrocution. Promise of a plug stent can be inserted into the socket in either direction, leaving the plug can be free to change the location of the live and neutral lines. Such specifications can be used to plug bracket Egypt, Belgium, Brazil, Bulgaria, Chile, Denmark, Germany, Finland, France, Greece, Indonesia, Iran, Iceland, Italy, Jordan, Cameroon, Croatia, Luxembourg, Madagascar, Morocco, Macedonia, Netherlands Norway, Austria, Paraguay, Peru, Poland, Portugal, Romania, Saudi Arabia, Sweden, Serbia, Slovakia, Spain, South Korea, Thailand, the Czech Republic, Tunisia, Turkey, Hungary, Vietnam and other countries. Dongguan Da Ling Shan Chang Sheng processing hardware store intergranular corrosion caused by: zinc alloy composition of harmful impurities: lead, cadmium, tin will gather at the junction of the grain leads to intergranular corrosion of zinc alloy, metal matrix due to intergranular corrosion and broken, The plating accelerated this scourge, the site will be subject to intergranular corrosion expansion of the coating from the top, causing the casting surface blistering. Especially in a humid environment will intergranular corrosion casting deformation, cracking, or even broken. Guangdong zinc alloy products _ 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.