Dandong Visionseal Co., Ltd. is a professional manufacturer & exporter specialzing in Mechanical Seals. Our company & factory was established in 1998 and located in Dandong city Liaoning province which is the biggest border city in China and besides the Yalu River which is famous for it&＃039;s boundary river between China and North Korea. Taking the advantage of geography superiority for logistics service we have facilitated transportations and communications. Our company integrate R & D, Production, Sales, After-sales into one operation. Our products featured by Mechanical Seals incl. Pump seals, Compressor seals, Agitator seals, Mixer seals, Reactor seals, esp. WELDED METAL BELLOW MECHANICAL SEALS. We have more than 6 series 60 types ranged from Hydraulic Pressure Components, Mechanical Transmission Parts to Precision Parts. Besides, we provided OEM & ODM services. Our products are mainly used in High-Temperature, High-Pressure, High-speed, Corrosion, rough working conditions widely applied in petrochemical, power, paper, pharmacy, water, sewage, automobile, etc. industries. We are registered supplier of CNPC. With superior equipment, experienced engineers & technicians, ISO 9001 quality management systems, cheap materials resourcing and flow line production, we ensure you lower prices, superior quality and faster delivery.