... transmission! Our gear can be standard as per European or American standard or special as per your drawings ... and roots to increase load capacity7) Standard: ISO, GB, JIS, DIN, AGMA and non-standard8) Surface treatment: Carburizing, ... black of oxidation, zincing9) Machine: CNC engine lathe, milling machine, drilling machine, hobbing machine, grinder, gear shaper, testing center.10) OEM service: ...