Dandong Visionseal Co., Ltd. is specialized in designing and producing mechanical seal and metal working.

Our company produces high-temperature, high-pressure, high-speed metal bellows mechanical seal, liquid film non contract seal auxiliary system and coupling.
Meanwhile, We tend for all kinds of machine work. We owns lots of super and advanced equipments such as numerically controlled lathe, CNC maching center which can guarantee to manufacture high quality and precision products.
With a yearly production capacity of 200, 000 sets, mechanical seals are mainly used in the industries including petroleum, chemical, electricity, refrigeration, machine building and electromechanical etc...

Our company now has 150 employees, more than 65% of whom have received education of colleges. Occupying a total area of 2, 500 square meters.
Our company's most reasonable technical design, best mechanic processing, strictest ISO9001 quality management have ensured high quality products and service given to petroleum and chemical enterprises. Products' technical indexes are as the following: Maximum pressure: 8Mpa; Maximum rotating speed: 2500rpm; Linear speed: 100m/s; Connection dimension is in accordance with ISO3069 standard. Products' executive standard is in accordance with DIN24960, API68682 international standards.

Compared with enterprises in the same industry, our company's products have great advantages on technical content and product quality.