Better in RingJay, RingJay is an International engineering organization based in Changzhou, China with the customer all around the world.Our Rotary Valves/Airlocks and Feeder are design for numerous applications in the metering and pneumatic conveying of products in powder and granular form. Rigid quality control and machining tolerances to suit specific products assures highest efficiency and years of trouble free operation. For many company it is our professional attitude that has been the main reason to choose RingJay as their partner
