zhejiang languang precision mechanical and electrical co., ltd. specializes in the production of household air conditioner compressor valve plates, refrigerator compressor valve plates, air compressor valve plates, commercial refrigeration compressor valve plates, automobile air conditioner compressor valve plates, motor vehicle compressor valve plates, compressor steel valve plates, valve plates and steel valve plate welding components, valve plates and steel valve plate riveting components, providing compressor enterprises with better products and services and making contributions to the domestic and foreign refrigeration industry.