... and guarantees a lead-free wave soldering process.Products Characteristics AdvantageGood wetting characteristicsMelting ... and transparent residuesBBIEN is specialized in soldering industry from 2000,known as a experienced tin ... product to our clients.Certificates of compliance,SGS,ISO and COA,MSDS,are available. ... inspection before leave factory,and haspassed the SGS.3.What is your delivery time? ...