MAZLUM METAL PIPES has quality control sytem including all production process starting from uncooked materials and persevering with welding wire and flux till to transportation. The heat and coil variety of selected coil is be recorded to the pipe production report that displaying related pipe number. Is the market leader capacity clever in manufacturing of enormous diameter submerged Arc Welded … Continue reading China Welding Flux Sj301 For Spiral Metal Pipe Welding