Design patent for check valve

2025-07-30

Hard-sealed multi-ball wear-free check valve

2025-07-30

A spring-type slow-opening quick-closing check valve

2025-07-30

Water level control valve

2025-07-30

Lift wear-free water bottom valve

2025-07-30

Multi-functional pilot-operated diaphragm valve

2025-07-30

Guide rail type wafer check valve

2025-07-30

Invention patent certificate

2025-07-30

A check valve with anti-leakage effect

2025-07-30

A high-pressure stop valve with good sealing performance

2025-07-30

Two patents were obtained in 2021

2025-07-30

Five patents were obtained in 2019

2025-07-30

Three patents were obtained in 2014

2025-07-30

The project of the inclined multi-ball non-wear check valve has been completed and accepted

2016-07-04

The company co-organized the 3.15 Consumer Rights Day

2016-07-04