Shenzhen Changlong Technology Co., Ltd

Our products: Ferrous Sulfate Heptahydrate , Flocculant, Retention Aid, Dewatering Agent, etc. Shenzhen Chang Long Technology Co., Ltd is one of the largest environmentally friendly pharmaceutical production and marketing enterprise in Southern China. We sell ****0 tons of ferrous sulfate and more than ***0 tons of aluminum sulfate monthly. For the convenience of our customers, our company sets up offices in USA, Australia and Vietnam. We have operated the business in good faith, providing high quality products and quality service. We have won a high reputation among clients. We have *0 Engineers and 4 senior University professors and provide technical guidance. We aim to help customers optimize the sewage treatment process, to utilize waste and environmental protection facilities, to reduce customers' costs and to promote an enterprise's integrated benefit, environmental benefit and social benefit. We try our best to help customers save energy and develop together.spirit. "To be responsible, diligent, dedicated, happy" is our spirit. We will provide the best quality products and reasonable prices.