Qinhuangdao City YuTian Science & Technology Co., Ltd is a high-tech enterprise integrating research, development and manufacture. The department includes investment casting equipment workshop, metallurgy equipment workshop, hose products workshop, and machining workshop. YuTian was accredited with ISO9001-2000 quality certification and granted by the state a license to manufacture, and won high and new technology industries prize in 2004. With qualified technical personnel and advanced equipment, we have developed to be a main researching and manufacturing base among the enterprise of trade in China. We have designed and manufactured "YUTIAN" brand series complete set of investment casting equipment with Silica sol pattern techniques, soluble-glass pattern techniques and soluble glass-Silica sol mixed pattern techniques. YUTIAN is willing to provide new technology result, new development advantage and new market domestic and abroad continually. Our products include: --Metal annular flexible hose --Metal helix flexible hose --Metal expansion joint --Various kinds of valves --ladle, hot metal ladles, slag ladle, metallurigcal vehicles Our equipment and machinery includes: investment casting equipments wax injection machine shand shower wax mixer sand float unit dewaxing autoclave dewatering unit stewing unit dusct catcher roast furnace shaking unit