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Since early 1980’s, our board chairman, Mr.Zhanglongyi, with his men started to study and manufacture oil purification and treatment equipment.

In 1993, Chongqing Huaneng Oil Purifier Co.,Ltd was founded. Through continuous innovation and pursuits, Huaneng quickly made a name for itself in national market and became as a designated oil purifier supplier to Chinese State Electric Power Corporation.

In 2000, Huaneng became the 1st one ...