Me ka ʻoi aku o 15 mau makahiki o ka ʻoihana silicone, ʻo Hangzhou Ruijin kahi hui silicone ʻoihana e hoʻohui ana i ka R&D, ka hana ʻana a me ka lawe ʻana mai a me ka ʻoihana hoʻopuka o nā kemika silicone organik.Loaʻa iā mākou kā mākou hale hana nona ka inoa ʻo Yangzhou hongyuan hou mea Co., Ltd, he mea hana ʻoihana ʻoihana o ka ʻaila silicone a me ka Silicone rubber, nona ka ʻike o ka hana ʻana i ka aila Silicone ma mua o 20 mau makahiki.Ua loaʻa ia ma 2003 a uhi ʻia ma luna o 30,000 square meters me ka mana hana o 65000Tons i kēlā me kēia makahiki ma Jiangsu.