Ah i see. Then my decision to avoid them is already correctPcbway not Jlcpcb. I already told you these people will not make this design.
Pcbway have a different quotation system the price can increase during the audit dramatically.
Its similar to my local country. You sent the gerber via whatsapp or email, than chat.
The price will be on discussed.
If you have capability to persuade you might got a cheaper price, but if you're looks like a dummy, you will got charged more.