1. The casting billet has high precision, small deformation, good appearance quality, dense internal quality, good metallographic structure, and reduces defects such as pores, shrinkage holes, sand inclusions, and cracks. The copper material used is uniform. Bronze, no brass parts, can guarantee the service life of the valve.

2. Advanced production equipment ensures the processing accuracy, matching angle, smoothness and matching requirements of the valve sealing surface.

3. With advanced assembly equipment and excellent personnel, each product has been tested for performance and quality such as pressure and sealing before leaving the factory.