The vast majority of stainless steel products require good corrosion resistance, such as one or two types of tableware, kitchenware, water heaters, drinking fountains, etc., some foreign businessmen also do corrosion resistance tests on products: warm to boiling with NACL solution, dump the solution after a period of time, wash and dry, and call the weight loss to determine the degree of corrosion (Note: when polishing products, Because the emery cloth or sandpaper contains Fe components, it will lead to rust spots on the surface of the test.
Hebei Mingda International Trading Company is a trading company which is specialized in castings, ODM Ductile Iron Manhole Cover forgings and machinery parts.Our products include all kinds of raw castings to be made of ductile iron , grey iron , brass , stainless steel and aluminums, machined castings and forged parts .ODM Ductile Iron Covers To make these parts according to the customers’Custom Iron Casting drawings , we have relative suitable production craft and equipments, such as resin sand , sand mould , hot core boxes , lost-wax , lost –foam and so on Iron Casting Manufacturer Custom.Specially for hydrant bodies and valves’Ductile Iron Manhole Cover Manufacturer bodies, we have collected rich experience for these products in the past 16 year’s actual production, Now we are proud of our products with good surface and high quality material. Iron Casting ManufacturerWhatever,we have been trying our best to provide our customers with better quality castings by improving production crafts and more careful quality control.Cast Iron Castings Manufacturer|super blog