The machine you currently owned (multiple choice)：

Flat mask machine

KN95 Folding Mask Machine

KF94 fish mask machine

Cup mask machine

Other machine

Professional level Very good Common Poor

Are they careful Very good Common Poor

Delivery time Very good Common Poor

Quality of accessories Very good Common Poor

Debugging process Smoothly Common Hard to debug

Equipment function Very powerful Common Too rigid

Accessories loss Very durable Common Damage fast

Equipment stability Very stable Common Often have minor problems

If your time permits, please provide some suggestions, which will be very helpful to our improvement.