Ltd. as the management headquarters,Shan xi Car nurse co.Ltd. as the main body of operation, with the automotive service industry as the leading core, invested in Shanxi Yuncheng Economic and Technological Development Zone to build the Kallanish Auto Science and Technology Supplies Industrial Park, the park set intelligent cleaning equipment, auto spare parts, auto insurance equipment, auto decoration supplies, auto science and technology supplies, auto life supplies series We have more than 30 product patents, more than 100 independent brands of series products, sales and service networks in more than 30 provinces (cities and districts), and in due course to fully expand the international market.

Calex brand is favored by the majority of consumers and has grown into one of the top ten well-known brands in China's cleaning equipment industry.

Since 2020, under the correct leadership and strong support of the management committee of Yuncheng Economic and Technological Development Zone, the park, based on the original product development and manufacturing, takes the intelligent era of automotive science and technology service product development and manufacturing as the leading, with intelligent, people-friendly, scientific and technological, environmental protection as the goal, and develops the Carrosi independent brand of passenger cars, bus cars, commercial vehicles, cargo containers, tankers, high-speed rail series intelligent With the goal of intelligent, convenient, technological and environmental protection, the company has developed a series of intelligent cleaning equipment products for passenger cars, buses, commercial vehicles, cargo containers, tankers and high-speed railways.