Shijiazhuang trillion yu metal material Co., LTD founded in 2000, is the production of diamond tools and professional manufacturer of raw materials, and introduce the United States card bolton baker g...

Room 1211,No.8 Office building,Wanda plaza,58 He Xuan Road,

CNPC POWDER,as a part of CNPC (China National Petroleum Corp - 500 foture enterprise),was established in 2003 and specializes in manufacturing powdery materials, integrating development and production...