The idea is not a new one: Use composites to reline underground pipe without the time, effort, and expense of digging up all that dirt. Currently, there are two types of lining technology. One is a ...

Thermoplastics have been valued for their inherent corrosion resistance for more than half a century. Extruded and thermoformed easily, thermoplastic shapes can be welded together in complex ...

The world's largest φ530mm in diameter Assel skew-rolling pipe production line, designed and manufactured by Taiyuan Heavy Machinery Group Co has been successfully put into production, a major step ...