YDF’s main product lines include Ball, Gate, Globe, Check, Butterfly and Power Station valves, size range of 1/2 inch up to 60 inch , pressure rating of 150LB~2500LB , capable material for carbon steel, stainless steel, duplex stainless steel, alloy steel etc., design temperature of -196~ 650 Deg. C, designed in accordance to standard of ASME, ASTM, ANSI, API, GB, BS, JIS and DIN Standard .YDF Valves have been widely used throughout the world in Oil, Gas, Chemical, Refining, Power Generation, Marine, Pipeline Transmission industrial and LNG application. YDF has been certified with ISO9001, ISO14001, OHSAS18001, CE/PED, ATEX, TA Luft/ISO15848-1 low emission, ABS, BV, DNV, CCS, SIL 3,CU-TR ,TS and CNAS(ISO 17025) for approvals.

Values at YDF

Company values are the foundational principle of everything we do at YDF. They guide the way we work with our business partners. Through respect, ownership, proactive and execution, we have created a multiple company culture where people can share ideas and honors. At YDF, we respect individuals for their talent, skills and contribution. We strive to develop and motivate our employee to be innovate and passionate. Here, we emphasize the importance of efficiency. With that, we successfully become a leading valve manufacturer with global competitiveness step by step.


Since its inception in 1978, YDF valves has yield fruitful results with the cohesiveness and collaboration of its workforce and customers. YDF has grown to develop a rich sense of enterprise culture, exhibited by its generations of YDF employees' hard work, selfless dedication, and a constant reflection of the enterprise-employee value concept.

YDF History

Since its inception in 1978, YDF valves has more than 40 years production experience.

YDF Branches

YDF's Sales Operation Center is located in Souzhou city China, four valve assembly plants are located in YANCHENG city, Jiangsu Province, China, two casting foundry plants are located in Binhai City, China, and have six overseas branches in USA, Brazil,South Korea, Malaysia and Singapore.

Social Responsibility

As a leader of global valves manufacturers, YDF is constantly looking ahead. We defined Public welfare undertakings as an integral part of its sustainable development strategy. These years we take an active part in charities such as education, natural disaster assistance to make a better world.