Founded in 1992, Xi' an Tianhou Filter Technology Co., Ltd, is an integrated high-tech enterprise, which specialized in researching, developing, producing and selling Oil Quality Analyzer and Diesel oil purifier. Our company has been devoted to spreading the idea of lubricating Management and proactive maintenance for engine.

with the management concept of innovative consciousness as our lead, energy-saving as our duty, we dedicated to the field of detecting oil quality and purifying diesel oil and got fruitful achievements over past 18 years.

In 1992, the technical index of THY series Oil Quality Analyzer we researched and developed has attained international advanced level, and made up the oil quality analyzing and purifying technology gap in China. the invention in China basically solved the device management problem of ' when to change the oil', and enabled users to change the lubricating oil based on oil quality not on regular time basis.

In 2004, the " Janenope" Diesel oil purifiers series, jointly developed by United States pre-filter Boston Co., Ltd and our tianhou group, were widely applied to oil fields, fishing ports, all kinds of diesel vehicles and construction machinery, etc., and has ever caused a great sensation in the filed of energy-saving product in the world. this invention not only made a major break through in the respects of diesel oil purifying technology, but can also enable us to protect engine effectively, cut down maintenance costs, lower exhaust emissions, and reduce the fuel consumption by 5%-10%. Moreover, the invention was endowed with high performance for oil-water separation.

through constant hardwork and unremitting efforts, Tianhou group has awarded honors for Chinese High-tech Enterprise Certification, National Innovation Fund Support Program, State Torch Program, Xi' an Top 100 enterprise (No. 25), the Second Prize for Science and Technology of PLA, Gold Award of International invention fair and China International Patent Fair, Shaan xi Intellectual Property Advantage enterprise, and total 99 National patents.

On the world stage, Tianhou is marching forward bravely and striving for a promising future. We cherish all the faithful customers in the world, and hope we can establish good cooperative relations on the basis of mutual benefits with you.