What is the Min Track/Spacing?

The following specification is the minimal track/ spacing which used to make sure that you can batch the product

Copper weight    the minimal track/spacing for online quotation

1oz                        ≥4/4mil

2oz                        ≥10/10mil

3oz                        ≥15/15mil

Copper weight    the minimal track/spacing for offline quotation

1oz                         ≥3.5/3.5mil

2oz                         ≥6/8mil

3oz                         ≥7/12mil