Mechanical and electrical equipment manufacturing; Electronic component manufacturing; Electronic components and electromechanical component equipment manufacturing; Electronic vacuum device manufacturing; Electronic special equipment manufacturing; Other electronic device manufacturing; Hardware product manufacturing; Metal wire rope and its products manufacturing; Auto parts and accessories manufacturing; Motorcycle spare parts manufacturing; Battery spare parts manufacturing; Communication equipment manufacturing; Metal material sales; Building materials sales; Office supplies sales; Mold manufacturing; Mold sales. (The branch office is located at: No. 1, Changsheng Road, Xin’ao Industrial Zone, Hongqiao Town, Yueqing City)