Main inpect technical required：
Ball diamter,Roughness,Neck Min diamter,Taper,R-VTx,thread,Hardness,Crack,Burr，Ball roundness≤15um，Roughness Ra≤0.2。Control method：”Special gage or general gage three gage system control”.
Add: No.88 Yundun Rd Yunlong Town Yinzhou District Ningbo City Zhejiang Province China,315137
Email: info@joka-autoparts.com
Tell: +8613736189959
Skype: daniel131443
VAT NO.: 91330212MA2CM12W97
