Shenzhen Sandeying Industrial Co., Ltd. is a high-tech enterprise specializing in the production of precision double-sided multilayer and HDI printed circuit boards. The company's predecessor was established in 2010. It is a printed circuit that integrates design, development, production and sales. Manufacturers of boards, products are widely used in high-tech fields such as mobile phones, computers, network and communication equipment, automotive electronics, smart homes, medical equipment and financial terminal equipment. Over the years, Sandeying has established a high-quality customer network including Panasonic, Sony, Sanyo, Samsung, TCL, Lihua, Dongju, etc. with advanced production technology, high-quality workforce and scientific management. It is sold in Europe, America, South Korea, Japan, Hong Kong, Taiwan and other countries and regions.

In order to expand production, the company invested 100 million yuan in Humen, Dongguan in June 2018, with a plant area of 15,000 square meters, the introduction of new automation equipment, and the current annual output can reach 1 million square meters.

San Deying adheres to the corporate spirit of "scientific development, innovation and efficiency, harmonious win-win situation and brand building", is committed to providing customers with high-quality products and services, strictly in accordance with standardized quality management system standards, and actively promotes intelligent automated production. With the goal of accelerating industrial transformation, steadily improving product quality and further expanding its development goals, it has become a leading PCB supplier in Asia and even the world.