Wenzhou Topsun Bellows Factory was found in 1990. Through several years of development, our factory had built four production series of metal bellows, expansion joints, compensator, corrugated tube, metal hose. Products and equipment is in advanced level in country. Main product is corrugated tube, compensator, metal bellows, expansion joints, and metal hose. Our products wide used in metallurgy, chemistry and industry, oil, convenient, architecture, ship of making, war industry, wharf etc. We are constantly developing prepared product inquired and product of top and no normal product and product of special use.