Mineral coated spiral welding tubes are characteristic of corrosion resistance and relatively small friction resistance, especially suitable for conveying of drainage water, sea water, warm water, oil, gas and other media. Mineral coated spiral welding tubes are characteristic of corrosion resistance and relatively small friction resistance, especially suitable for conveying of drainage water, sea water, warm water, oil, gas and other media.

　　
When choosing a product first to check the coating, the product looks beautiful to leave a intuitive impression, apart from seeing the coating's smoothness degree, also to see if the coating has a bubble, colliding place. A tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye t

Epoxy resin coating inside and outside of steel tubes uses EP powder to melt to the inner and outer wall of steel tubes after high temperature, forming a layer of plastic protective film. A ye plastik ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ