The company is a high-tech enterprise with international advanced inverter energy saving core technology and refrigeration system control technology. It was founded in 2000 and listed on the Shenzhen Stock Exchange GEM in June 2019. The stock code is 300594, and currently employs more than 900 people. The company's main business is R&D, production, sales, and after-sales maintenance services for rail transit vehicle air conditioners, new energy vehicle air conditioning and intelligent heat management products, air energy heat pump drying equipment, digital energy intelligent environmental control products and control systems. The company's main products and services are air conditioning and maintenance services for rail transit vehicles, new energy and intelligent thermal management products, digital energy intelligent environmental control products and frequency conversion controllers. Honors received include “Excellent Enterprise in Electronic Information Industry in Shandong Province”, “Intellectual Property Management System Certification”, and High-tech Enterprise Certification.