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Xingtai Qingshan(STO) Sealing Co., Ltd, specialized in producing other rubber sealing products since 1996, located in 
Xingtai city, the largest sealing products base in China. 

We are a worldwide manufacturer of Oil seals, rubber parts, o rings, industrial machinery rubber parts, and all kinds of rubber molded products widely used in machinery and equipment, water irrigation, hydraulic pneumatic,  automobile, metallurgy, elevators, oil, mining,
 instrumentation, electronic technology area … 

Qingshan Sealing (STO) Co., Ltd,  is a ISO 9001:2008 certified factory, and well known among our customers for excellent quality, product availability and very competitive prices. We are currently selling to 40 countries across the world.