In the chemical and petroleum industries we can provide all types of forging roughcasts, finished products and semi-finished products with the weight below 200 tons ， Diameter below 8.7M of cake class, ring class and cylinder class etc, As for the materials like stainless steel, duplex stainless steel, high-grade stainless steel, nickel-base alloy, high alloy steel, and low temperature steel, and low temperature steel, it has mature and perfect process of production and testing as well as experience.