Shenyang Shengdong Bellows Manufacture Co., Ltd(SDB) has a long history in China, in manufacturing flexible metal pipes, metal bellows, flexible hudraulic metal hose, high pressure stainless steel hose, expansion joints, and other special elastic and sealing accessories. These products are extensively used in such industries as instrument and applances, oil field, chemistry. thermo engineering, astronomy, shipping, nuclear power plant, etc. In recent years, due to extensive use of quality metallic alloy and stainless steel, the products we manufactured made a head way in international market for its excellent quality and relatively cheap.

Quality Assurance


The Quality Assurance Program is designed to comply with International Standard 1S09002 -2000. Testing procedures and strict inspection at every stage of manufactrue ensures consistently high product quality. The inspection and testing procedures include inwards goods inspection, in process inspedtion, leak detection inspection and final product release inspection. Details of special process procedures, bellows design analysis and quality assurance plans are available upon request with each quotation Materail certificates and other test certificates are available with notification at the time of ordering.