Headquartered at the southernmost tip of the Liaodong Peninsula in China, Dalian is surrounded by the sea on three sides, boasting beautiful scenery. It has successively won honorary titles such as the United Nations Global "500 Best" for the Environment and "China's *** Tourist City." Dalian is one of China's most important industrial bases, encompassing industries such as shipbuilding, wind power generation, compressor and pump manufacturing, petrochemicals, and IT. Dalian Huayang Sealing Co., Ltd., established in 1994, is a specialized company producing mechanical seals and auxiliary engineering systems, with its first phase project covering an area of 28,000 square meters. Its products are widely used in industries including oil, chemicals, shipbuilding, power generation, food, papermaking, and pharmaceuticals, serving over 600 domestic and international customers. In Sinopec's first "Comprehensive Evaluation of High-Temperature Pump Mechanical Seal Manufacturers," it ranked first; in CNPC's first "Comprehensive Evaluation of High-Risk Pump Mechanical Seal Manufacturers," it also ranked first. The company is a Liaoning Provincial Enterprise Technology Center and a *** technology enterprise. The company has independently developed patented products; currently, its self-developed and produced large agitator seals, large pressure centrifuge seals, and compressor dry gas seals have been exported to the EU, UK, and Middle Eastern markets, reaching advanced international quality levels. The company successively passed the ISO9001:2008 certification from Det Norske Veritas (DNV) and the API certification from the American Petroleum Institute in 2005, making it the first sealing company in China to pass API certification.