World Maufacturing | Manufacturer of Energy Saving Products and Impact Traffic Doors bulk pvc rolls, strip doors, pvc strip doors, air curtains, air doors, rack covers, fly traps, artifical foods, restaurant kitchen doors, restaurant doors, walk in cold storage doors, retail doors, swing doors, warehouse doors, supermarket doors, traffic doors, double swinging doors World Manufacturing is a leader in the industry since 1979. Manufacturing swinging impact traffic doors with steel reinforcement and made for the toughest traffic. Our fork lift doors are made to withstand maximum punishment.