1. Steel casting girth gear uses special heat treatment technology to process the internal structure of the gear ring, greatly improving the hardness and impact resistance. 2. Steel casting girth gear selects high-quality high-strength steel, which is more durable and corrosion-resistant, reducing maintenance costs. 3. Various specifications of steel casting girth gear can be customized on demand, supporting mass production, and we can deliver in a short cycle and high efficiency.