Zigong Jiyi Technology development company CO.,Ltd was founded in 1940 , locate in Zigong City, Sichuan province of China .It has an area of 158 thousand square meters , has more than 260 employees The main products:various medium high and low pressure gas compressor (air, hydrogen, acetylene, natural gas, etc .), small air separation equipment,cryogenic liquid pump,dissolved acetylene complete set of equipment , organic fertilize device, biological fertilizer production equipment, agricultural machinery,biological paper equipment, biogas equipment , etc