Hi-Chang is specialized in producing RTV1 Silicone Sealant since 1996. Compounding, filling, cartridge injection & printing all operations completed in our in-house 7 proudction lines. Hi-Chang provides neutral curing, and acetic curing silicone sealant, acrylic sealant under the brand name of HMM. We offer a wild range of sealants for general purpose glazing, aquarium, anti-fungal, high temperature, and building weatherproofing sealant. We welcome OEM/ODM custom made qualities, cartridge printing, and packaging.Our reliable product quality meet ASTM requirements which earns high credit from our local customers as well as the buyers in Canada, Iran, Indonesia, Pakistan, Thailand, *****Very Welcome to visit us at *****. Please forward your inquiry to *****; *****