Flame Retardant (FR) resins—including UL 94 V-0, V-1, and 5VA-rated modifications of PC, PC/ABS, ABS, and PA66—are critical for electrical and electronic assemblies requiring strict fire safety compliance [1, 2]. However, processing FR polymers introduces serious manufacturing challenges: thermal instability (where FR additives degrade into highly corrosive gases), splay on aesthetic surfaces, and reduced melt flow. At Jucheng Precision, an ISO 9001 and IATF 16949 certified manufacturer, we mitigate these risks using premium corrosion-resistant S136 or M340 stainless mold steels, highly ventilated venting designs, and strict scientific molding temperature windows. We provide a comprehensive, free DFM analysis within 24 hours to prevent air traps and optimize gas venting, ensuring zero-defect electrical parts verified by Zeiss CMM inspection.