The lead-free tin solder pasteis composed of invironment-friendly flux and low oxidation spherical powder,which were characterizedby high print definition,excellent solderability and bright and smooth joint; Lead-free solder paste can meet all kinds assembly of electronics,electrical products; lead-free tinsolder paste (Sn42Bi58) Alloy Composition: Sn42-Bi58 Shenzhen Jufeng Solder Co.,Ltd. is specialized in producing and selling tin products.Such as tin solder bar,tin solder wires,tin ingots,anode stubs,soldering flux,apply machine water and cleaning agents.Our products are widely applicable to welding engineering of electronics,communication,electric appliances,electric instruments and meters.