... life,high speed,high quality 3.NBR co stainless steel carbon steel gear, pinion and rack transmission gearWe can make all kinds ... in non-standard items. Feathure:1. Material: stainless steel steel alloy steel and brass etc2. Processing:forged,casting,heattreatment,or quenching and ... Drawing analysis, Meeting discussing, program auditing, PC & QC. stainless steel carbon steel gear , pinion and rack