Ningxia Hanbangda Trading Co., Ltd. was founded in 2017 and is located in Yinchuan, Ningxia, which is known as the "Jiangnan on the Great Wall". The company is mainly engaged in the production and sales of new building materials. Its new three-stage water stop screw has been highly recommended in the construction industry. Its products are widely used in underground comprehensive pipe galleries, water treatment plants, building basements, subway tunnels, power plants, reservoirs, oil depots, water conservancy and other large-scale civil engineering projects. Our company has always adhered to the principle of "quality first, honest management"