Comparing the methods of forming spheres
1. Casting method: This is a traditional processing method, which requires a complete set of smelting, pouring and other equipment, as well as larger workshops and more workers, large investment, many
1. Casting method: This is a traditional processing method, which requires a complete set of smelting, pouring and other equipment, as well as larger workshops and more workers, large investment, many
1. Before use, water should be used to clean the pipeline and the valve body overflow part to prevent the residual iron filings and other debris from entering the valve body cavity.2. When the valve b