... complete turnkey manufacturing services including: Funded in 2008, Rigao Electronics Co., Ltd, is privately held Shenzhen corporation dedicated to providing electronic ... certified and RoHS compliant. Our Principle is simple, "Act by heart, Make the best." Our strength is distinct, " ... (3mil) 8 Surface finish/treatment HASL/HASL lead free,Chemical tin,Chemical Gold,Immersion gold Inmersion Silver/Gold ...