... regulated freely.2. Machine body and stand: made of 50×40×1.5mm rectangle steel pipe by welding. Supports are made ... lighting: Y-shape light stand, one per 2m, made of 40×40×1.8mm rectangle steel pipe, with 2000×50×25×0 ... belt in the body at 400mm, supporting the use of 40 × 40mm square tube production, a width of 630mm, two-story units ...