Kev thov ib puag ncig
Cov khoom siv tau los ua pob valve, npauj npaim valve, ntsaws valve, cua valve thiab lwm yam 90 ° teb valve gearbox, SLA series rau clutch valve tsav ntaus ntawv yog tsuas yog siv rau pneumatic tsav ntaus ntawv standby phau ntawv tsav.