Zhejiang Theoborn Auto-Control Valves Co., Ltd. is dedicated to themanufacture of pneumatic actuators and all kinds of valves. Ourproducts fundamentally transform the complex traditional usage ofvalves, incorporating high technology with the control process ofvalves, greatly improving the efficient usage of valves, largelydiminishing the controlling cost, and obtaining considerableprofits for enterprises. Main Products Pneumatic actuators,actuators, dual action pneumatic actuators, spring return pneumaticactuators, pneumatic flange ball valves, 2pcs female threadpneumatic ball valves, 3pcs female thread pneumatic ball valves,pneumatic thin ball valves, pneumatic soft-sealing butt-clampbutterfly valves, pneumatic hard-sealing butt-clamp butterflyvalves, pneumatic PVC ball valves, pneumatic PVC butterfly valves,limit switch boxes, explosion-proof limit switch boxes, solenoidvalves, explosion-proof solenoid valves, tri-unit air disposals,two-units dealing with air supply, de-clutchable worm-fearoperators, and electro-pneumatic positioners. Our products havepassed CE certification.ã Our company is located in Wenzhou Citywhich possesses a long history of manufacturing valves and pumps.Inspired by our experience of manufacturing valves and pumps,supported by exquisite manufacturing technique, and enveloped withthe special innovative consciousness and serious spirit. Theobornendeavors to culminate the wisdom, aspires to make the bestproducts, and desires to benefit human beings.