sector gear for electric motor material: pom size:M0.8*9T*4H*4.0 bore moq:3000pcs certification: ISO9001 sector gear for electric motormaterial: pom size:M0.8*9T*4H*4.0 boremoq:3000pcscertification: ISO20081):Production machine:most advanced CNC manchine which imported from Japan 2):Precision/tolerance:0.001mm;3):Certificate: ISO9001:2008 4):Aplication:automotive, electronic, telecommunications, ...