lost wax casting large casting part 1.Material: Cast steel and Stainless Steel.2.Process:Investment casting/Precision casting/ lost wax casting; 3.Heat treatment:Annealing,Website:http://www.lifestylecasting.com, Quenching and tempering, Normalizing; 4.Surface treatment:Paint, Anti-rust oil, Hot dipping galvanized, Powder coating, Plating;5.Application:Machinery Industry; 6.OEM design/service:Our company can supply various pulleys (OEM) according to the customers' drawings and requirements. Please offer us your enquiry with detailed drawings, specifications, unit weight, quality requirements and pictures. We will supply you not only the products with good quality but also competitive price.