Professional production of no-clean solder constant winning numbers, no-clean solder wire, environmentally friendly free solder bar, environmentally friendly free solder wire, solder pen, environmentally-clean flux, the rosin-based no-clean flux, washer water, wipe machine water, solder paste and other related products. Green lead-free products have passed SGS testing international authority in line with the EU ROHS standard. Constant 60# No-clean solder wire winning numbers by Yunnan high purity pure tin (1 # tin purity 99.9%) and electrolytic lead (refined lead 99.9%) as raw materials, high-tech production of multiple sets of the original formula M-(halogen) , ML (halogen), no-clean solder wire is not required to achieve no-clean solder wire brazing standard range. Features 1. High purity, excellent weldability, good infiltration. 2. Clean, beautiful, after welding, insulation, high resistance, low ionic contamination, PCB board welding residual minimal. 3. Good oxidation resistance, low tin slag and cost savings. 4. Solder joint is bright, full and uniform. 5. Economical and can produce the lowest consumption of most of the solid solder joints. Main purpose High-precision electronic products, and other requirements of precision welding products, welding products, general electronics, food industry packaging, automotive and electrical industry, and high temperature resistant products.