The document introduces Shenzhen Zhendong Precision Metal Co., Ltd., which has been operating since 2003. It manufactures metal parts and provides OEM services for electronics products. The company has over 200 machines across 4,000 square meters, including various metal forming, machining, polishing, and surface treatment capabilities. It supplies international brands like Samsung, Sony, and Huawei and adheres to high quality standards such as ISO 9001.