Through the above description. You are welcome to buy. When buying solder, and solder model, the quality and fineness of the solder is not very professional people can only see a single pad to determine, sometimes unscrupulous sellers may buy sell lack the degree of solder. Prevent buy the lack of degree solder, solder Gansu, the following describes how to distinguish the content of the solder. 35 and 40 degrees and 40 degrees to distinguish bad solder joints is only a small part of the top of the white, bright accounted for around 70% -80% on top of pads 35 of the total white whole solder joints of 60% -65 %, four 周发亮 35% -40% of the solder joints are solder bar of species: 1,63 / 37 solder (Sn63 / Pb37) 2, electrolysis of pure tin (tin of high purity electrolytic treatment) 3, anti-tin oxide Article (add high in antioxidants) 4, wave soldering tin (for wave soldering) 5, high temperature solder (400 degrees welding) solder manufacturers, Gansu solder, solder FUJIE provided by Zhengzhou City Fujie Soldering Materials Co., Ltd. . Zhengzhou City Fujie Soldering Materials Co., Ltd. (www.fujiehanxi.com) (www.fujiehanxi.com) strong, credible, in Zhengzhou, Henan electronics, electrical products processing industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead FUJIE solder into the brilliant and you work for a better future!