Hongda Carbide Solution Co.. Ltd. Established in Guanghan in 2004, covering an area of 20,000 square meters and having over 200 employees, it is a high-tech enterprise engaged in carbide research and development, production, sales, and service, providing high-quality products and services to industries such as petroleum, natural gas, pumps and valves, machinery, geology, construction, coal, chemical, light textile, and nuclear power.