Established in 2008, Beijing Sihai Xiangyun Plastic Parts specializes in producing various forms of small plastic check valves including diaphragm, spring and duckbill types, as well as plastic joints and plastic quick couplings to provide optimization solutions for customers.

These products are referred to as miniature pneumatic and fluid connectors with 1/16-, 1/8-, 3/16-, 1/4-, 5/16- and 3/8-inch port sizes and are available in a variety of plastic materials.

OEM orders are welcome. Contact us today to know more.