Harbin Zhonghe Environmental Protection 1 is located in Ji Hong Street, Daoli District, Harbin. Is a professional indoor environment testing unit in Heilongjiang Province, which can detect formaldehyde, ammonia, benzene, toluene, TVOC and other indoor harmful gases 19.
2, Dingyun Environmental Protection, CMA formal environmental testing agency, main business: indoor environmental testing (formaldehyde, benzene, toluene, xylene, ammonia, TVOC, radon) water quality testing.