7 Fertilizer facility, comprising conveyor machinery, dissolving machines, grinding mills; electro-mechanical machines for use in the chemical industry, namely, material handling machines, agitators; petroleum chemical and industry equipment, namely, agitators, presses, separating machines; gas separating equipment, namely, vacuum pumps, exhaust pumps, valves, tubing; oxygen and nitrogen manufacturing facility comprising conveyor machinery; rare gas extraction instrument comprising vacuum pumps, exhaust pumps, valves, tubing; liquefied gas facility comprising vacuum pumps, exhaust pumps, valves, tubing; liquefied nitrogen facility comprising conveyor machinery, dissolving machines; hydrogenation liquefaction device comprising valves, tubing; helium liquefaction device comprising vacuum pumps, exhaust pumps, valves, tubing; equipment for producing sulfur dioxide, namely, compressors, pumps, valves; filtering machines for chemical processing; sifting machines