Tonghuo Machinery
Tonghuo Machinery
Development History

August 1993

August 1993

Yunnan Tianhe Industrial and Trade Co., Ltd. was established on the basis of the former Yunnan Provincial Machinery Industry School's practice factory.

December 1993

December 1993

The TXM170 engine block boring and milling machine has been successfully developed. It has passed the provincial technical appraisal and obtained national

January 1994

January 1994

The TXM170 cylinder block boring and milling machine has entered small-batch production.

August 1995

August 1995

“Yunnan Tianhe Industrial and Trade Co., Ltd.” changed to “Yunnan Tianhe Machinery Co., Ltd.”

March 1996

March 1996

The MJ7120 manual surface grinder has been successfully developed and put into mass production.

March 2002

March 2002

The first major improvement to the TXM170 engine block boring and milling machine was the TXM170A vertical precision boring and milling machine.
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