Tai'an Shida Mechanical & Electrical Equipment Co., Ltd. (Tai'an Great Wall International Business and Trade City Branch)

Kaierda Electric Welder (Tai'an Great Wall International Business and Trade City Branch)

Laocao Air Compressor (Ningjia Jiezhuang South Unit Shop)

Jinqiao Welding Materials (Tai'an Great Wall International Business and Trade City Branch)

Kaishan Air Compressor Yadeke Pneumatic Bearing (Tai'an Great Wall International Business and Trade City Branch)

Hongwuhuan Air Compressor (Tai'an Branch)