Shanxi Guanghua Casting Pipe Co., Ltd. the leading manufacturer of Ductile Iron Pipes for drinking water supply networks & sewage system in China. We are certified by SGS and Bureau Veritas ISO9001....
Shanxi linfen stars boards industry Co.LTD, calcium silicate board annual 200 million copies, the factory covers an area of 45, 000 square meters, the number of staff and workers, annual output of....