
High Quality Bulk Production Large Metal Cast Iron Sand Casting for Transmission Cases. Comprehensive Customization: Dimensions and designs customized per 2D/3D drawings with CT7-CT10 tolerance. Wide Material Range: Supply grey iron, ductile iron, carbon steel, cast steel, and aluminum alloys. Large Capacity Casting: Handle weights from 0.5kg to 10 tons with max size up to 2000mm or 3000mm. One-Stop Service: Full chain from pattern making, casting, CNC machining to heat treatment and assembly. Strict Quality Control: ISO9001 certified with 100% inspection, CMM, and full dimensional test reports. Flexible MOQ: Accept single samples and small batches as low as 10-20 pieces for trial orders. Diverse Process Options: Offer green sand, resin sand, sodium silicate, and lost foam casting processes. Fast Sample Delivery: Sample lead time of 7-10 working days for prototypes and verification.