DLHUAYANG.DLHUAYANG was established on April 16, 2004, with its registered office located in Dalian City, Liaoning Province. The company specializes in manufacturing pump seals, agitator seals, compressor dry gas seals, dryer seals, carbon ring seals, and auxiliary sealing systems. Its products are widely applied across industries including petroleum, chemical, shipbuilding, power generation, food processing, papermaking, and pharmaceuticals. The company's independently developed and manufactured large-scale agitator seals and compressor dry gas seals have been exported to the European Union, the United Kingdom, and Middle Eastern markets. DLHUAYANG has successively obtained DNV ISO9001 Quality Management System Certification and American Petroleum Institute (API) Quality System Certification. Primary products include: pump seals, agitator seals, compressor dry gas seals, dryer seals, carbon ring seals, and seal auxiliary systems.