... Product Parameters:1. Brand name: WAT2. Place of origin: China, Taiwan, Germany3. Grade: WAT450 WAT520 WAT550 WAT6004. Raw material: ... , Stainless steelMain Features:Original tungsten powder, made of China carbide, Taiwan carbide, Germany carbide. Different grades for different usage, ... work materials, the raw materials are from China ZCCT carbide, Taiwan CB carbide, Germany Guhring carbide, and Sweden ...