Research, development, production and sales of valves, heat meters, industrial control products, automatic control products, transmission devices, compressors and related products, as well as heating, ventilation and refrigeration, air conditioning and water control products, systems, components and parts; technical consulting services, after-sales services; wholesale, commission agency (except auction), import and export of the above commodities and related products and other related business (the above involves quota licensing (the above-mentioned commodities involving quota license management, special regulations management in accordance with the relevant national regulations). (Projects subject to approval according to the law, the relevant departments approval before business activities) (shall not invest in the “negative list of foreign investment access” in areas where foreign investment is prohibited)
expansion-valve
Solenoid valve
