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Neutral Silicone Sealant Shanghai Siway curtain materials Company., http://www.siwaycurtain.com/ . Created within 2005,Siway sealant is one kind of China’s best silicone architectural sealant production enterprises,positioned in 7th place.Siway producers a total distinct one part along with two-part silicone sealants which include,silicone constitutionnel sealeant , weather prevention silicone sealant, fire-resisting sealant,as well as silicone sealant regarding eye-port etc.