Chongqing Jiazhuang Environmental Protection Technology Co., Ltd., an individual proprietorship Enterprise, invested in by Mrs. Ni Yuping who have acquired years of marketing experience, is specialized in all kinds of environmentally friendly instrument production, research and development. What's more, we are the first enterprise which stepped into the Non-Dust Multifunctional Wall Space Sander field in the whole world and has occupied at least three patents. Sanders manufactured by us can reach a relative high dust absorption rate of 98%, improving users' work efficiency by 4 to 6...