... bending machine, 12m length bending for 140mm thick plate, 600 ton rolling machine for 8m length product, kinds of ... Main product:big lamp processing, thick-walled tube processing, large-scale bending, 310S muffle tube manufacture, oil apparatus construction, various ... , I-beam, H-beam, square tube, rectangular tube, L section steel to customers for use in construction, petrochemical refining, oil ...