the first set of heavy-duty commercial vehicle split-type inground lifts in China was successfully developed and put into the market.

Participated in the establishment of Yantai Gaosheng Zhonghe Emergency Safety Technology Co., Ltd.

the explosion-proof split type ground lift was successfully developed and put into the market.

The new energy vehicle battery disassembly and assembly trolley was completed and put into the market.

The portable quick lift was completed and developed into a series and put on the market.

Holding established Yantai Kangyuan New Energy Technology Co., Ltd.

the company awarded the first utility model patent for the underground lift.

The automobile assembly line was successfully developed with the vehicle suspension and lifting system and equipped with Changan Mazda Automobile Co., Ltd.

the development of the electro-hydraulic underground lift was completed and put into the market.

the first domestic electric hydraulic control system for automobile sheet metal equipment was developed and put into  the market.

the ultra-high pressure cylinder for the automotive sheet metal c system was produced and put into the market.

Yantai Tonghe Precision Industry  Co., Ltd. was established to focus on the development and manufacture of hydraulic systems.