Chen Yu Building Materials Technology Co., Ltd., Guizhou, located in Guiyang City, the sand washed Road. The main production and sales of tunnel fire-resistant coating, deck waterproofing material, perlite, vermiculite, wall insulation mortar. Total investment of eight hundred million, currently employs 65 people. 4 of them full-time researchers, 12 intermediate professional titles, hired well-known experts and professors. 
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