COVNA is one of the top manufacturers of quarter turn actuators and actuated valve products in Dongguan, China with 19 years experience.Created since 2000, COVNA Automation benefits from the knowledge and expertise that comes with over 19 years' experience in the fluid control and solenoid valve, pneumatic actuated valve and electric motorized ball valve market.We provide actuation solutions that cover a wide range of applications and across many diverse industries. Expertise in valve actuation systems enables COVNA to offer an excellent after-sales service, offering help where appropriate with installation advice, wiring for electric actuated valves, and troubleshooting when things aren't working as expected.We can provide any of the following services: Custom Design & Production We can offer any valve size to meet your needs, from small, air treatment Unit to large-scale fluid systems. In-House Repair We service all brands of solenoid valve and pneumatic valve components and are a factory authorized repair facility for many manufacturers.100% Testing Services To ensure all components are operating at peak performance, your equipment is thoroughly tested before leaving our facility. We engineer with an intense focus on every last detail. In-House Machining We can fabricate parts on demand to provide the quick turnaround times our customers need. COVNA remains dedicated to new product development and innovative process technology that produces high quality, reliable products and, ultimately, total customer satisfaction. We will continue to advance fluid process technology as the top manufacturer of quarter-turn actuators and automatic valves products.We are COVNA automation. And our purpose is to solve your technical questions with solid experience.