Founded in 2005 and headquartered in Shanghai, with a registered capital of RMB 18 million, AFS specializes in traditional valve manufacturing, with its main products including safety valves, pressure valves, intake valves, temperature control valves, regulating valves, and others. Through refined manufacturing processes, the company has developed advantages in surface treatment, temperature/pressure resistance, and long service life. Its products are widely used in air compressors, medical equipment, energy chemicals, high-speed rail, military, cryogenic refrigeration, hydrogen new energy, petrochemicals, boilers, and other fields. Its product lines include check valves, overflow valves, combination valves, globe valves, butterfly valves, natural gas valves, hydrogen valves, high-pressure safety valves, pressure reducing valves, and others, providing highly adaptable customized solutions.