Alloy wheel rims from Zhigu primarily use aluminum-magnesium or aluminum-silicon alloys, balancing lightweight design with strength. Cast alloy rims suit daily driving, while forged alloy rims offer superior durability for high-performance vehicles. Features include excellent heat dissipation, corrosion resistance, and versatile styling. Sizes range from 15-26 inches, with options like monoblock or multi-piece constructions, and finishes adaptable to OEM or custom needs.