1. In 2004, Shanghai Qingrun Instrument Technology Co., Ltd. was established. Located near Inner Ring Shanghai Railway Station in Shanghai.

2. In 2005, Shanghai Qingrun Tianchang Manufacturing Co., Ltd. was established. It is located in Tianchang, Anhui, with an area of 18,000 square meters and an annual productivity of 200 million yuan. The related products have obtained ISO9000 quality system certification.

3. In 2006, Shanghai Qingrun Instrument Technology Co., Ltd. established the project department, spare parts department, and agency advantage imported brands.

4. In 2008, Shanghai Qingrun Instrument Technology Co., Ltd. established Hong Kong Branch - Qingrun System Engineering (Hong Kong) Co., Ltd.

5. In 2010, Shanghai Qingrun Instrument Technology Co., Ltd. established a German office.

6. In 2014, Shanghai Qingrun Instrument Technology Co., Ltd. sold 200 million yuan.

7. In 2015, Shanghai Qingrun Instrument Technology Co., Ltd. moved to Shanghai near Central, with a total area of 1,500 square meters.

8. In 2016, sales of Shanghai Qingrun Instrument Technology Co., Ltd. and spare parts (including imports) exceeded 300 million.