Tianshui Pneumatic Factory is a state-owned enterprise. Tianshui Pneumatic Machinery Co., Ltd. is a wholly state-owned limited liability company, established in 200 1. Its business scope includes manufacturing and selling fans, rock drills, drilling tools and other products. Tianshui Pneumatic Factory is a state-owned enterprise because it is funded by Tianshui State-owned Assets Investment Management Co., Ltd. (holding more than 5 1%) and Beijing Jin Feng Kechuang Wind Power Equipment Co., Ltd. *