Argon arc welding is one of the important technologies used in modern manufacturing industries, more so on rubber and plastic machinery. The advantages of this method should include high quality of the welds, few contaminants and the possibility to work with a number of metals. Clean & strong welds which are important for the life & performance of the machinery can be achieved by the use of argon as a shielding gas. At Caihua Rubber & Plastic Machinery Co., Ltd., the positive aspects of argon arc welding are effectively utilized to manufacture innovations equipping machinery with state-of-the-art technology.