
Wholesale Auto Bumper Injection Mould Heavy Duty Plastic Mold Multi-Slider Core-Pull Structure. High Precision Machining: Parting-line gaps kept under 0.02mm with CNC machining and hand finishing. Durable Mold Life: Survives over 800,000 cycles under standard conditions with extended repair intervals. Complex Geometry Support: Multiple sliders and lifter cores reproduce complex surface geometries for large bumpers. Premium Steel Materials: Uses imported P20, 718H, S136, or H13 steel for high hardness and abrasion resistance. Full In-House Control: Complete chain from DFM analysis and 3D review to T1 trial delivery managed internally. Custom Development: Customization available from drawings or physical samples with flexible options. Advanced Design Systems: Utilizes CAD, CAM, CAE, and MoldFlow for optimized water channels and ejection structures. ISO Certified Quality: ISO certified with 100% visual inspection and strict raw material quality control.