The opening and closing parts are opened or closed by the force of the medium flow to prevent the valve from flowing back to the valve. Check valves are automatic valves, mainly used on pipes with one-way flow of media, allowing only the media to flow in one direction to prevent accidents.we are check valve china,we can guarantee quality.
the products are widely used in petrol, petro-chemical, chemistry, power, metallurgy, water conservation, construction, pharmacy, and water drainage fields.
The company has always adhered to the corporate philosophy of "survive by quality, develop by reputation, market-oriented, and benefit from management". It has won scientific management, advanced equipment, strict process and strong dedication. The trust and praise of the majority of users.