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[DONG YANG PISTON] Heat release module (EV) and so on.

Based on over 50 years of know-how in internal combustion engine piston production technology, we uniquely design and manufacture our production equipment.

[Product Description] 1. Enclosure/Manifold (FCV) (Stack component for hydrogen fuel cell vehicles) Main processes: Plastic injection → Laser welding → Helium leak test Key technologies: Dissimilar material hybrid joining (aluminum, plastic), differential pressure casting, sand casting, corrosion prevention technology 2. Heat dissipation module (EV) (Cooling housing for inverter and battery cooling panel) Main processes: Forging (Al or Cu) → Die casting → Laser welding → Helium leak test Key technologies: Cold forging, laser welding, dissimilar material joining, design capability to maximize cooling efficiency 3. Subframe (Chassis components) Main processes: Differential pressure casting → Heat treatment → Calibration → Machining → Swaging Key technologies: Differential pressure casting, low-pressure casting, heat treatment technology