The service items supply the design, construction and installation of purification engineering for electronic workshops, food and medical workshops, as well as the operation and sustainable and stable development of the decoration and renovation of the purification workshops. The service content mainly provides clean room purification equipment and honest equipment and clean rooms for the domestic semiconductor industry, LCD liquid crystal industry, optoelectronic industry, electronics industry, precision instrument, chemical industry, biomedical industry, food industry, research institutes and related industries of universities. Engineering design, installation and consulting services