Barrels of oil and bitumen production line • designing and manufacturing of automatic and semi – automatic production line barrel. • Lines made include: 1-line coil sheet to size of sheet for glazing and doors barrels • 2-barrel door production line (top and bottom cover mold) • 3-press of clinch oil drain doors • 4-barrel roll forming machine • 5-fixture and welding machine of barrel • 6-plunch machine of barrel • 7- (edge – curling machine) • 8-seaming machine • 9- sealing test machine.