ningbo double zhe trade co., ltd. is a focus on security box research and development, production of well-known enterprises. With hundreds of dedicated employees, covering an area of 11000 square meters, it is located in Yuyao, Ningbo, Zhejiang Province, with convenient transportation and picturesque landscapes, together with Benlong Electroacoustic Equipment Co., Ltd. and Jinyin Audio Co., Ltd. The company has strong technical force, advanced equipment and complete supporting facilities. It not only has mold workshop, injection molding workshop, assembly workshop, high-speed precision engraving machine, precision grinder, EDM spark machine, large injection molding machine and other production and processing equipment, but also has R & D center, design center and testing laboratory to ensure product quality and work efficiency, At the same time, design more perfect products for customers.