continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for Liquid Hydrogen, Stem Cell Storage , Vacuum Vent Valve , Vi Piping ,Liquid Nitrogen Storage Dewar . Our Lab now is "National Lab of diesel engine turbo technology " , and we own a professional R&D team and complete testing facility. The product will supply to all over the world, such as Europe, America, Australia,Mecca, St. Petersburg,Romania, Vancouver.The design, processing, purchasing, inspection, storage, assembling process are all in scientific and effective documentary process , increasing usage level and reliability of our brand deeply, which makes us become superior supplier of the four major product categories shell castings domestically and obtained the customer's trust well.