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 Znso4.7H2O, Polyacrylate Sodium , Hydroxypropyl Methyl Cellulose HPMC , Pentahydrate Copper Sulphate ,Potassium Formate 75% . We have ISO 9001 Certification and qualified this product .over 16 years experiences in manufacturing and designing, so our products featured with best quality and competitive price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Houston, Thailand,Peru, Barcelona.With the principle of win-win, we hope to help you make more profits in the market. An opportunity is not to be caught, but to be created. Any trading companies or distributors from any countries are welcomed.