David Lee

Leesh Silica sol precision casting (also known as investment casting or lost-wax casting) is built on advanced equipment, mature techniques, and extensive experience, ensuring that our products’ surface roughness consistently ranks among the best in the industry, typically achieves a surface roughness influenced by multiple factors, including silica sol coating quality, shell mold preparation, and metal pouring temperature. The standard […]

1. Process Principles Comparison Process Pressure Source Filling Method Typical Pressure Range High Pressure Casting (HPDC) Hydraulic or mechanical pressure Molten metal injected at high speed 50~150 MPa Low Pressure Casting (LPDC) Compressed gas (inert gas) Molten metal fills mold slowly from bottom 0.01~0.1 MPa Gravity Casting Natural gravity (no external pressure) Molten metal flows

Leesh Holdings is proud to announce the launch of LeeshPedia, a dedicated knowledge hub designed to share our extensive engineering expertise and empower our clients throughout the procurement process. We understand that informed decisions are the best decisions, which is why we have created this platform to demystify complex manufacturing techniques and international material standards. Within