All star-square shaped sleeves are cold-forming. It simplifies the connection between pneumatic actuator and any quarter turn valves.
If you need more details of data, contact us : cspneumatic@hotmail.com
Contact: Zhang Heng (Bill )
Phone: 86 13634285240
Tel: 86 0577 86915200
Email: cspneumatic@hotmail.com
Add: Yongqiang High Technology Developing Zone, Wenzhou, China.