Topsmake New Energy Materials Business Department was established in September 2018, focusing on the research, development, production and sales of new energy thermal safety materials. In 2024, the Business Unit will operate externally as an independent entity of Ningbo Emin-Technology.

Lumi Technology is an innovative ergonomic technology enterprise, focusing on the R&D, production and sales of efficient and healthy office ecological products. The production workshop shall establish a standardized and automatic assembly line, and be equipped with advanced manufacturing equipment and testing instruments to ensure that the quality of the product production process is controllable. The company's R&D personnel have more than 15 years of experience in product design and development, which can optimize product design problems in advance and shorten the development leadtime.

Ningbo Chengzhi Technology Co., Ltd. was established in 2018, with a registered capital of 20 million RMB. The factory covers an area of 40 mu and a total building area of 25970 m^2. Chengzhi Technology and Shanghai Jiaotong University jointly established the "Joint Research Center for Advanced Materials Precision Manufacturing", which is dedicated to the R&D, manufacturing and sales of automation equipment, solutions and precision sheet metal parts.
The company has advanced sheet metal processing and testing equipment, including CNC laser plate cutting machine, CNC laser pipe cutting machine, CNC turret punch, CNC bending machine, CNC gantry machining center, three coordinate detectors and other advanced processing and testing equipment.

Topsmake New Energy Materials Business Department was established in September 2018, focusing on the research, development, production and sales of new energy thermal safety materials. In 2024, the Business Unit will operate externally as an independent entity of Ningbo Emin-Technology.

Topsmake Heat Exchanger Business Department was established in 2018, specializing in R&D, production and sales of high-efficient plate heat exchangers. At present, the company produces 800-1500 high-energy plate heat exchangers of different models every day. For new energy vehicles and energy storage plate products, it plans to add 3 fully automatic production lines in 2023, which can achieve a daily output of 5000 sets.