Dongguan Hongle Chemical, a subsidiary of H.K. Wan Ta Shing Industrial Limited ( WTS ),specializing in technology development and marketing of electronic materials. Products: UV cure adhesive, conductive silver paste, underfill, heat sink compound, electronic potting compound, bonding glue, RTV silicone sealant & adhesive, COB encapsulant, SMT adhesive, instant adhesive, lubricant, primer, threadlocker...Most of our products have passed tests such as RoHS, Rich, UL, halogen-free ...