Ltd. is a professional research and development, production and sales company of high quality coconut shell activated carbon rods, water purification filter cartridges and other environmental protection and purification products. After unremitting efforts, we have successfully developed the pore size modification technology of powdered activated carbon to ensure high carbon content, low binder, and super high filtration accuracy of the carbon stick cartridge. We strictly control the whole process from the raw materials entering the factory to the finished cartridge leaving the factory to ensure the safety and performance of our products. Adhering to the principle of quality first, we provide every customer with high-quality products that meet the requirements with reasonable prices and excellent services."A cartridge, a trust, a responsibility" is our business philosophy of JIEWEI.