Market Order Placement → Engineering Design & Preparation → Production Planning & Launch→Substrate Cutting & Pre-treatment→CNC Drilling→PTH (Plated Through Hole) / Electroless Copper Deposition→Dry Film Photolithography (Pattern Transfer)→Copper Electroplating & Thickening→Stripping & Etching→Solder Mask Coating→Legend Printing & Marking→Surface Finishing→Profile Machining→Electrical Performance Testing→Final Inspection & Packaging