How Semi-Solid Tech Is Reshaping EV Parts

Chenzhì Lightweighting has produced its first sample from a 5,000T magnesium alloy semi-solid injection molding line, boosting EV performance

22 Jun 2026

On April 8, 2026, Chenzhì Lightweighting pulled its first sample from a 5,000-tonne magnesium alloy semi-solid injection molding line at its Bishan base. The milestone is modest to describe, significant to understand.

Semi-solid injection molding outperforms conventional high-pressure die casting on two metrics that matter. Mechanical performance improves by 20%, and material utilization rises by 15 percentage points, according to Shanghai Metals Market documentation of the launch. Stronger parts, less scrap, less cost buried in the floor.

Electric drive housings and ultra-large structural components are the primary targets. Both sit at the center of a problem EV engineers know well: shave weight without sacrificing rigidity. Lightweighting extends driving range directly, and doing it through a scalable production line gives Chenzhì a real advantage as automakers push to refine next-generation powertrains.

Magnesium alloy adoption in automotive has historically stalled on processing constraints. Semi-solid technology removes several of those barriers in one step. A first commercial sample from a line of this scale signals that volume output is close, and broader deployment could reshape how suppliers approach structural component design across EV platforms.

For supply chain partners, the development opens fresh conversations around material specification and performance benchmarking. Consumers feel it too, through vehicles that are lighter, more efficient, and structurally sound. Chenzhì's process now looks positioned to influence manufacturing standards well beyond China's borders.