We've our have sales staff, style and design staff, technical crew, QC team and package workforce. We've strict excellent control procedures for each system. Also, all of our workers are experienced in printing field for Factory Sodium Hydrosulphide, Sodium sulfide(Na2s) , Sodium Hydroxide And Potassium Hydroxide , Sodium sulfide ,China Sodium Sulfide Anhydrous . Honesty is our principle, skilled procedure is our perform, service is our target, and customers' satisfaction is our long term! The product will supply to all over the world, such as Europe, America, Australia,Montreal , Korea ,Ukraine , UAE .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.