2001

Hunan Zhongji Project Management Co., Ltd. was established.

2010

ChinaTec Energy Group Co.,Ltd. was established.

2013

YongZhou Landfill Biogas Power Generation Project connected to the grid for power generation.

2014

Loudi Landfill Biogas Power Generation Project connected to the grid for power generation.

2015

The company is listed on the New Third Board.

2016

Huaihua Landfill Biogas Power Generation Project connected to the grid for power generation.

2017

*Hunan Jinqiao Photovoltaic Power Generation Project Phase I connected to the grid for power generation.
*Hunan Museum Natural Gas Distributed Energy Station Project completed and put into operation.

2018

Huaihua Waste Landfill is under entrusted operation.

2019

Ningxiang Landfill Biogas Power Generation Project connected to the grid for power generation.

2020

*Hunan Jinqiao Photovoltaic Power Generation Project Phase II connected to the grid for power generation.
*Hunan Provincial People's Congress Centralized Cooling and Heating Socialized Service Project.

2022

Hunan Provincial People's Government Compound Photovoltaic Power Generation Project.

2023

*Yuanling County Landfill Biogas Power Generation Project connected to the grid for power generation.

*Hunan Hotel Photovoltaic Power Generation Project connected to the grid for power generation.

*Hunan Provincial Forestry Bureau Photovoltaic Power Generation Project connected to the grid for power generation.

2024

*Hunan Museum Photovoltaic Power Generation Project connected to the grid for power generation.
*Jinbei Electric (Chengdu) Co., Ltd. Photovoltaic Power Generation Project connected to the grid for power generation.
*Hunan Commercial Technician College Smart Energy Project put into production.
*Hunan Provincial Department of Human Resources and Social Security Photovoltaic Power Generation Project connected to the grid for power generation.
*Aier Eye Hospital Oriental Eye Valley Health Technology Industrial Park Phase II Photovoltaic Power Generation Project connected to the grid for power generation.

2025

Hunan Institute of Measurement and Testing (Hengshan Laboratory Headquarters) Photovoltaic Power Generation Project Phase I connected to the grid for power generation.