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Dongsheng Seals was established in 1992. For 32 years, it has focused on innovation in sealing technology, forming a doctoral team of over 10 members, establishing an industry-leading testing center, and equipping itself with internationally advanced production equipment. The company has obtained international certifications such as ISO9001 and IATF, holds over 10 national patents, has developed 235+ material formulations and 1,725+ selection solutions, and maintains an inventory of over 1 million+ products with 100,000+ models and specifications. As a pioneer in China's sealing industry, Dongsheng provides sealing system solutions for renowned enterprises such as Sany Heavy Industry, PetroChina, BYD, and Gree. Guided by the philosophy of "Dongsheng Intelligent Manufacturing, Sealing Reliability," it continuously tackles technical challenges and contributes to the development of China's industry.