... oxygen converter, 1550′ 250 mm slab CCM,18X29 ball mill, bell type annealing furnace, 1250mm cantilever straightener ,kinds of valve, ... Rivet welding plant: we can undertake the processing of various metal structure equipments, large overhead crane, pressure vessel I of ... shaft φ500×17000. Welcome to contact us. precision custom metal machning service/metal fabrication Service/machining parts