Come to 3D image file→Beater board (7 days)→Both parties confirmed that the prototype was correct (it took 2 days for both parties to confirm back and forth)→Modeling (mold analysis) (7 days)→Mold opening (mold processing) (30 days)→Trial mold (assembly)→Modify the mold (correct the mold)→Mold cavity surface treatment (polishing, etching)→Mold trial production (assembly qualified)→Mold acceptance (both parties)→Official start of finished product production