Zhengyuan Valve Group Co., Ltd. has established a testing system to ensure product reliability. The company conducts shell strength tests at 1.5 times the rated working pressure and seat leakage tests according to GB/T 13927 standards.

  Its testing facilities include spectral analyzers for material verification, ultrasonic and magnetic particle equipment for defect detection, and hydrostatic test benches for pressure validation. With pressure ratings from 150Lb to 2500Lb and temperatures from -196°C to 800°C, these forged steel gate, globe, check, and ball valves serve petrochemical and power industries through systematic quality assurance.