How to make an LED light circuit board?

Quotation & Designing→Cutting→Grinding boards→Dry film lamination→Exposure→Developing & Etching Stripping→Circuit inspection→Drilling→Solder mask preparation→White solder mask exposure→White solder mask development→Hot air solder leveling→Silkscreen printing→CNC routing→PCB inspection→SMT assembly→Lighting test→Packaging & Shipping.