Rock wool shell of pipe is made of natural basalt as the major materials which are made into man-made inorganic fibers by fast centrifugal equipment after high-temperature melted, and at the same....
Cangzhou Zhong Ya thermal insulation materials Co., Ltd is a professional manufacturer and exporter of heat insulation materials. We have our own R& D center and workshops in Hejian industrial park....
Rock wool board is made of select fine basalt as the major materials which is pulled into 4-7Â µ non-continuous fibers after melted by adopting advanced international four-roller centrifugal cotton....