Street Address: No8 Machang Road
City: Ningbo
Province: Zhejiang
Country/Region: China
Valeo, Thomson, Salmson, Bomax, Emerson
Material SUS420J2/SUM24L/SUS300/SUS42J2/SUM24L/SUS300 Roundness 0.0003mm Cylinderness 0.0005mm Roughness Ry0.4 Gear/Worm Precision Grade 6 Position 0.03mm Heat treatment point hardening ( cementite, oxidation, high frequency ), quench hardening