N'ihe karịrị afọ 15 nke ahụmịhe ụlọ ọrụ silicone, Hangzhou Ruijin bụ ụlọ ọrụ silicone ọkachamara na-ejikọ R&D, mmepụta na mbubata & azụmahịa mbupụ nke kemịkalụ silicone organic.Anyị nwere ụlọ ọrụ onye nwe anyị nke aha ya bụ Yangzhou hongyuan ọhụrụ ihe Co., Ltd, nke bụ ọkachamara nrụpụta nke mmanụ silicone na roba silicone, nke nwere ahụmịhe nke imepụta mmanụ Silicone karịa afọ 20.Ọ hụrụ na 2003 na-ekpuchi n'elu 30,000 square mita na mmepụta ikike nke 65000Tons kwa afọ na Jiangsu.