Huirong Electronic Systems Engineering Co., Ltd. (formerly known as Shanghai Hongrong Electronic Repair Co., Ltd.) was established on August 7, 2014, headquartered in Songjiang District, Shanghai. Its main business includes low-cost enterprise cloud construction using green equipment, electronic product remanufacturing services, and IT infrastructure services, covering IT equipment recycling, data security erasure, remanufacturing, and recycling. The company has been recognized as a National High-tech Enterprise and a Shanghai "Specialized, Refined, and Innovative" SME, holding 16 utility model patents and 2 invention patents.

In 2016, it passed the National High-tech Enterprise certification, and in 2017-2018, it successively obtained ISO27001, ISO14001, and ISO9001 system certifications. The company has established a green recycling integrated service center in Songjiang, Shanghai, forming a branch network covering 13 domestic cities and the United States, Singapore, and other locations. It has established partnerships with companies such as IBM, Lenovo, and Huawei to conduct server remanufacturing business, with services covering the financial and telecommunications sectors. By integrating recycling, dismantling, environmental disposal, and remanufacturing processes, it achieves full lifecycle management of electronic products.

Supply and installation of central air conditioning chiller units and multi-split units, including high-efficiency computer rooms, Class 1000 cleanrooms, and constant temperature and humidity air conditioning systems.