M jia ansha sold by ningxia biyuan activated carbon co., ltd. Is an ideal product for the water supply and drainage industry. It looks dark brown and has uniform particles. The main component is manganese dioxide content of 30%-75%. It uses it to treat groundwater, has simple technology, convenient operation, small footprint, low engineering cost, long-term use, service cycle is more than five years, easy to manage, does not need to fill in any kind of chemical substances can achieve iron removal in water, the purpose of manganese, arsenic and other harmful substances, the water quality completely meet the national drinking water standards, is a good groundwater treatment filter. Ningxia biyuan activated carbon co., ltd. Is a professional manufacturer and has about eight years of different filter media production and domestic historical trade. Now we are committed to developing our international trade. We adhere to the principle of "integrity management, quality service". Our employees are professional and sincere, and our prices are fair. Look forward to working with you.