2012
In 2012，Xiamen Ran Environmental Protection Technology Co., LTD.
2018
In 2018, Ranneng's turnover turnover exceeded 100 million yuan, and the per capita output reached more than 8 million dollars.
In 2018，took shares in Fuzhou Ranxu Environmental Protection Equipment Co.
In 2018, became Xiamen municipal high-tech enterprises
2020
In 2020, Xiamen Ran Environmental Protection Technology Co., Ltd. was established (Dalian Branch)
In 2020, obtained the Certificate of Intellectual Property Management System Certification, Certificate of Service Certification and Certificate of Information Security Management System Certification.
In 2020, set up practice teaching base of Xiamen Polytechnic Institute and practice teaching base of Jiageng College of Xiamen University
From 2017 to 2020, successively winning the bidding of waste gas and sewage treatment projects related to the enterprises under a Xiamen automobile group Co.
In 2020, selected as one of the top 100 enterprises in environmental protection industry in Fujian Province (2020)
In 2020, become a member of Fujian Provincial Construction Engineering Technical Services Industry Association.
2021
In 2021, Xiamen Ran Environmental Protection Technology Co., Ltd. was established (Jiangxi Branch)
In 2021, set up environmental protection consumables department.
In 2021, became a national high-tech enterprises
In 2021, joined Xiamen High-tech Development Association
In 2021, formally joined the Communist Party of China Branch Committee
In 2021, participated in the public welfare activity of "donating books to help students" and was awarded the honorary title of "excellent unit".
In 2021, selected as one of the top 100 enterprises in environmental protection industry in Fujian Province (2021).
In 2021, the project of "industrialization of industrial odor waste gas collection and treatment equipment" was recognized as Xiamen High-tech Achievement Transformation Project.
2022
In 2022, obtained "China Sewage Treatment Facilities Operation and Maintenance Service Enterprise Qualification (Class I) Certificate".
In 2022, joined China Urban Environmental Sanitation Association, China Environmental Protection Industry Association and Fujian Urban Environmental Sanitation Industry Association.
In 2022, selected as one of the top 100 enterprises in environmental protection industry in Fujian Province (2022)
From 2020 to 2022, successively won the bidding of painting waste gas treatment project of a shipbuilding industry company in Dalian.
