Beijing jitien instrument limited is registered on the 4th floor, 6th and 15th floors of plant no. 6 of east fairy bridge, hoang district, beijing city, and is represented by a legal person, tan xinxiang market supervision authority, beijing city, on general projects: manufacture of laboratory analytical instruments; sale of laboratory analytical instruments; sale of instrument instruments; sale of instrument instruments; sale of instruments for the exclusive purpose of environmental monitoring; manufacture of instrument instruments; production of instrumentation for air pollution monitoring and detection instruments; sale of instrumentation for air pollution monitoring and detection; sale of instrument for monitoring and detection of water pollution; sale of instrument for marine water quality and ecological monitoring equipment; sale of lease services (without licensing); sale of specialized chemical products (without dangerous chemicals); air pollution control services; technical...