... quality 2advanced equipment&skilled worker 2011 OEM precision machining stainless steel flange1:OEM service available2:Material: aluminum,grey iron ... , ductile iron, carbon iron,zinc ,bronze, copper, brass,stainless steel3:Standard: ISO, ANSI, ASTM,, JIS, DIN, GB4:Weight ... Range: 0.1kg-2000kg5:Process Type: sand casting, investment casting,water glass casting ...