Deli Industrial Xiangjiang Lanxin Industrial Co., Ltd. is located in the Kowloon Hillside Industrial Area, covering an area of 15,000 square meters. As a Hong Kong-funded enterprise, the company specializes in high-precision machinery, aerospace, semiconductors, lasers, fluid equipment, and new energy precision hardware rubber components. Its products are sold to rubber ring manufacturing companies in North America and the European Union that meet specific standards. The company offers over 8,000 specifications of O-rings and precision rubber parts. All materials are imported from major global suppliers, and Japanese industrial technology has been incorporated along with Japanese production management models. Since the 1990s, the company has implemented 5S management and ISO systematic quality management to ensure excellent customer experience, resulting in cooperative outcomes in both product quality and pricing. The company has launched an online store—Huizhou Xiangjiang Lanxin Industrial Co., Ltd.: https://dlgroup.1688.com/. Contact: Mr. Xiao, QQ: 164922008. AS model American standard sealing ringsAmerican standard sealing rings