The barrel degrease is a degreasing method at room temperature for thorough degreasing and treatment on large quantity basis, and for pre-barrel plating treatment parts. It is superior to other method in terms of combination of degrease and polishing, and can effectively degrease in deep concave area of work piece. In order to reach the above goals, tea seed powder and detergent agent are widely used in the Zhujiang Delta, Guangdong Province. The tea seed powder is a natural grain material, for both degreasing and polishing. After being treated with the material, the work piece surface (especially zinc alloy) will be smooth and fine; also the plating time can be reduced. The detergent agent is an imported neutral degreasing agent, with strong solubilization, penetration, and emulsification functions. As it is used together with tea seed powder, the deep concave area of the parts will be clearly degreased. When antique color simulating with wet brush finishing method, use tea seed powder and pure detergent agent together, in order to improve antique color texture and brightness. The recommendations involved in this instruction are based on the company’s related test and documents, but not used as a guarantee. Trial production of small batch is recommended. The company can’t monitor operation condition or different of operation and equipment, etc, so we cannot ensure that the customer have the same effect. The company will not responsible for any problem therefrom. The information in instruction cannot be used as basis for the pirate. HL071214