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Hengda silane group. we are the first factory manufacturing silane coupling agents since 1965. hengda silanes include amino, methacryloxy, epoxy, mercapto, chlorine, vinyl & alkyl silane, widely used in surface modification, adhesives & sealants, resin coated sand, coating & inks, thermoplastics etc. we have a strong technical team to help customers in application use. free sample and technical data is available..
