The old name of material drawing number drawing number price (yuan) 199000420049 ring gear (Z=57) 199000420049   parts; 199012340121 ring gear (Z=57) 199012340121   WG2210100005 ring gear parts; WG2210100005   WG2210100105 ring gear parts; WG2210100105 & nbsp; part WG9231340123 ring gear   WG9231340123;   WG9970340051 ring gear parts; WG9970340051 parts WG9981340051 ring gear (Z=56) WG9981340051 parts