Founded in 1992, Xi'an Tianhou Filter Technology Co., Ltd, Tianhou Electronic Technology Co., Ltd(Tianhou for short), an integrated high-tech enterprise, which specializes in researching, developing, producing and saling Oil Quality Analyzer, Octane Analyzer and Diesel oil purifier. Our company has 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 has dedicated to the field of detecting oil and purifying diesel oil, and got fruitful achievements over the past years.

The technical index of THY-series Oil Quality Analyzer we researched and developed has beyond international advanced level, and made up the 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 lube oil based on its quality not on a regular time basis.

The "Janenope" Diesel oil purifiers series, jointly developed by United States pre-filter Boston Co., Ltd and tianhou, were widely applied to oil fields, fishing ports, various diesel vehicles and construction machinery, etc., This product adopts multi-level integrated filtering technology, which can draw off more than 95% water in diesel fuel and improve filtering rating greatly. And has ever caused a stir in the filed of energy conservation and emissions reduction. Not only had the invention made a major break through in the respects of diesel oil purifying technology, but enabled us to protect engine effectively, cut down maintenance costs, lower exhaust emissions.

Tianhou has developed five series of more than 30 kinds of products, and obtained 172 patents and more than 20 honors from government and Authoritative organization, has become partner of National Large internal combustion engine manufacturer, such as Yuchai Group and Weichai Power.