• 2009

    In September, Zhongrui was formally established in Chunxiao, Beilun District.

  • 2012

    Successfully registered the trademark "ZR".

  • 2013

    Won the honorary title of "Enterprise Engineering Technology Center".

  • 2015

    Successfully applied for the honorary title of National High-tech Enterprise;

    The new product ZJD5000/450 drilling rig successfully declared the first set of products in the

  • 2016

    Successfully listed on the New Third Board;

    Editor-in-chief of the national standard of "Construction Machinery and Equipment Positive and Reverse Circulation Engin

  • 2017

    Establish academician workstation;

    Won the honorary titles of "big patent application" and "professional industrialization".

  • 2019

    ZG70 hydraulic grab rolled off the production line;

    The model of ZJD5000/450 full hydraulic reverse circulation drilling rig entered the Bridge Museum of China Railway Bridg

  • 2020

    Won the honorary title of "May 1st" Labor Medal.

    ZG70 hydraulic grab successfully completed China's first 80-meter ultra-deep connecting wall trial