... STEEL(A3/45) 2,industrial gear got ISO 3,8 year sprocket and gear factory history 4,standard or ... of high frequency quenching. 4, we also provide nonstandard( according to the customer drawings) and standard(ANDI ... low noise, smooth and steady, high strengthModel numberStandard or nonstandard (single duplex and triple)20A10-100, 40A10-100, ... , standard: ISO, ANSIOur stockProduction line ANSI bevel gear