1. Ka taea e matou te whakaae ki te ratonga OEM.
2. Rauemi: Te rino waro, Te maitai koranu iti, Te rino kowiri, Te rino parenga wera, Te rino taputapu, etc.
3. Tukatuka Whakaputa: te makanga haumi.
4. Hangarau maimoatanga mata: chrome whakakikorua, zinc whakakikorua, parahi whakakikorua, nickel whakakikorua, hāora anodic o konumohe koranu, phosphating, bluing, pango, passivation, carburizing, nitriding, rehu mata me etahi atu waahanga hangarau maimoatanga mata.
5. Hoahoa: Kia rite ki te hoahoa a te kaihoko, whakaaro me nga tauira.
6. Ko nga whakaipoipo me nga korero e rite ana ki te GB, ASTM, BS, SAE, AISI, ACI, DIN, EN, JIS, ISO me etahi atu waahanga rauemi.