Hubei Rayma Welding equipment Co., Ltd. specializes in the production and sales of plastic hot air welding gun, geomembrane welding machine, plastic extrusion welding machine, roof waterproof roll material welding machine, banner, waterproof canvas welding machine, PVC floor welding tools. Our machinery is widely used in engineering projects, such as highways, railway tunnels, urban subways, waterproofing, chemical mining, landfills, sewage tre...