Our company is the largest tube valve,tubelss valve,clamp valve ,TPMS valve manufacturer in northern China.We are pleased to introduce our company to you . Our capacity: Truck valve/off-the road valve/clamp valve: 1.8 million sets/month; Tubelss valve /snap-in valve for car : 3millon sets/month; Bicycle tube/tubelss valve,motorcycle tube /tubelss valve :8 million sets/month; Himile Valve also have the largest valve core factory of the world with all kinds of valve cores.***1 series valve cores :**0 million pcs/month,and other kinds of valve cores.