... wire, bar, soldering flux, tin alloy soldering and spray materials. We specialize in manufacture solder wire (offering 0.3mm- ... ), solder bar, solder paste, soldering flux and spray materials-tin zinc wire.We also produce series of lead-free ... all the requirements of RoHS. Tin solder materials widely used in IT,electronic,telecommunication,machinery,instrument, aviation and aerospace,.... spray material ...