OAK Valve Parts  is a specialized manufacturer of high pressure valve ball, seat, body, stem and other valve parts. It  is the subsidiary company of ‘Oviko and Ouyi’. We provide quality valve components for major valves manufacturers globally.

To manufacture and supply world-class valve components for the valve manufacturer and end user through exceptional service, competitive pricing, and timely delivery. To help our customers improve their business in production, design and quality. To contribute our knowledge and skill to valve industry. To help our employees develop their potentials.

Throughout the years, OAK Valve Parts keeps developing our quality standard to new levels. OAK manages quality throughout technology development, product development, materials quality, manufacturing, and customer support. Achieving and maintaining customer satisfaction are top priorities, resulting in a quality culture that keeps us at the forefront of the valve technology. Oak is committed to delivering the quality and reliability that is worthy of our customers' trust and fulfill our commitment to customers, to be the ‘Reliable Valve Partner’.