Reliable Normally Open Valve Manufacturer | Premium Quality & Trusted Supply

Ningbo Longerfa Hydraulic Co., Ltd. is a leader in the production of high-quality normally open valves, designed to facilitate efficient fluid flow control across various applications. Our valves are inherently reliable, remaining open by default until an external force is applied, thereby providing enhanced safety and ease of operation. Constructed with premium materials, they ensure durability and extraordinary resistance to wear, even in harsh conditions. With meticulous engineering, our normally open valves are optimized for performance, minimizing the likelihood of leaks and operational failures. We take pride in our rigorous quality assurance measures and testing protocols, which comply with international standards, guaranteeing customer satisfaction with every product. Trust Ningbo Longerfa Hydraulic Co., Ltd. for effective fluid control solutions that combine functionality and reliability. Maximize your operational efficiency with our distinguished valve offerings.