1984：

Qianjiang Surveying Machinery Co., Ltd. was established by the West Lake

1986：

Cooperate with Hangzhou Zuan Machinery Co., LTD.

2000：

The company transformed from a "collective ownership enterprise" to a "private ownership enterprise".

2005：

Successfully passed the ISO9001 certification.

December 26th, 2006：

The production base has been relocated from Hangzhou to Xucun Industrial Park, Haining City.

2007：

Signed a supply contract with Guotou Xinji and officially entered the coal mining industry.

2008：

Drilling tool products have entered the Huainan Mining Bureau.

2011：

The company has collaborated with Zhejiang University to jointly develop a new product, the ZDY3200S fully hydraulic drilling rig

March 27th, 2012：

The first product of the ZDI-S series, ZDY3200S, was successfully developed and obtained the coal safety certification certificate, as well as multiple patents.

December 17th, 2012：

The drilling rig ZDY3200S entered Huainan Mining Bureau and received unanimous praise from the customer

January 2013：

Carry out comprehensive industry-university-research cooperation with Hangzhou Dianzi University

January 22, 2013：

       The ZDY4000S fully hydraulic drilling rig has been successfully developed and obtained the coal safety certificate

       The ZDY1900S fully hydraulic drilling rig has been successfully developed and obtained the coal safety certificate

       The ZDY1250S fully hydraulic drilling rig has been successfully developed and obtained the coal safety certificate

February 19th, 2014：

       The ZDY4000L double-track fully hydraulic drilling rig for coal mines has been successfully developed and obtained the coal safety certificate

       The ZDY6000L double-track fully hydraulic drilling rig for coal mines has been successfully developed and obtained the coal safety certificate

November 2014：

The company has been awarded the honorary title of "Science and Technology Enterprise of Zhejiang Province"

March 2015：

The company has been recognized as a "Haining Enterprise Technology Center"

March 2017：

The company established the Hangzhou Online Sales Department

April 2018：

       The ZYW4500L fully hydraulic integrated crawler deep hole drilling vehicle for coal mines has been successfully developed

       The ZYW5600L fully hydraulic integrated crawler deep hole drilling vehicle for coal mines has been successfully developed