1. Skilled workers, professional technical personnel , standard workshop and first-rate equipments.

2. Strictly control systems and test methods to guarantee product’s quality.

3. High quality with competitive price.

4. Small quantity orders are also acceptance.

5. We also provide OEM and ODM services.

Requirements:

1, Heat treatment , carburizing and quenching, carburizing layer depth 0.3-0.5, the hardness HR15N84-90.6, internal diameter hardness not less than HR15N 85.5.

2, The parts shall be no cracks, surfaces are not allowed to have scratches, bumps, magnetic needle injuries, concave, corrosion and other defects.

3, Remove sharp edges R0.2

4, Unspecified dimension tolerance per GB/T1804-m.

5, The non-grinding surface is silver or iron gray and the same color ( No other chromosomes ).