Hi, This Vincent form Go4worldbusiness, We have decades of consistent experience in the Abrasive and Water-treatment market. Our main products cover White Corundum and PolyAluminium Chloride in customized purity and purpose. As well as Polyacrylamide/ Iron salt/ Alumium salt/ Flocculant/ Disinfectant/ Decolorizier/ Calcium Hypochlorite/ Citric Acid/ Calcium Chloride/ Soda Ash/ Sodium Bicarbonate/ Sodium Thiosulfate/ TCCA & ETC. If any product meets your demand, please feel free to contact us. We gald to offer TDS & Free samples. Your every inquiry or requirement will get prompt attention. Regards, Vincent.