Hello we are the largest manufacturer and exporter of vision testing machine, masks quality testing machine, vision testing machine in China
We mainly provide visual inspection equipment to manufacturers of masks factories, Facial masks, non-woven fabric factories, etc.
I know you may have stable suppiler,but it is goodto catch different suppiler and support when neigociating with your current suppiler, do you agree this ?
I checked yours website carefully and found we have many similar products,you can have a reference it with your suppiler’s .
List and catalogue will be sent if you needed?
Best regards 
