Specialist in Drainage, Building & Municipal Products & Services! Until now, we get the ISO 9001:2008 certified, TUV certified, BSI Kite-marked, SGS certified and NF certified. During the construction of Bird's Nest/Olympic Stadium------Beijing National Stadium, our manufacturer exclusively supply steel keel and cast iron grates for them. We are proud of that, for we are more confidence about our high quality grates for bird's nest, for Beijing 2008 Olympics. Cangzhou Yadite Casting Mechanical Co, .Ltd located in Botou City, Hebei province----The town famous for the casting in China. It is located the south of Beijing 260 kilometers and 220 kilometers from Tianjin port. Our company is the leader in manufacturers of casting Industry in China. Our company covered 200, 000 square meters of work place, warehousing and production facilities. We have 4 automatic moulding machine lines, CAD machining center, professional lab, own pattern & tooling shops and the most important is there have a group of highly experienced and technically qualified staff.