Hangzhou Ruien Building material Co., Ltd founded in 2006, which covers an area of 36,000square meters and is located in hangzhou, China. It is specialized of in technical research, production and marketing for high-tech construction material. It has over 200 staffs and 75% of managers and researchers have bachelor or above. Now, Ruien has more than 150 sales systems all over the mainland in China. Meanwhile, Ruien is eager to develop global market in tiles, Rain drainage system ,color sand and