We now have our own gross sales team, style and design workforce, technical crew, QC workforce and package group. We now have strict quality manage procedures for each system. Also, all of our workers are experienced in printing industry for sodium hydrosulphide, hydrated, Sodium hydrosulphide method , Sulfide material , Sodium Hydroxide Caustic Soda ,HS CODE No.28301090 . Welcome to visit our firm and factory. Be sure to come to feel free to get in touch with us in case you need any additional assistance. The product will supply to all over the world, such as Europe, America, Australia,Libya , Afghanistan ,Grenada , Austria .We've more than 10 years exported experience and our products and solutions have expored more than 30 countries around the word . We always hold the service tenet Client first,Quality first in our mind,and are strict with product quality. Welcome your visiting!