Gelonghui, March 13 | Mankun Technology (301132.SZ) said on the investor interactive platform that the company uses brand customers, technology research and development, quality and service and cost control as its core competitive advantages. The four major advantages complement each other, providing a strong guarantee for the company's stable and sustainable development. The company is mainly engaged in R&D, production and sales of single/double-sided, multi-layer printed circuit boards (PCBs). The products are widely used in communication electronics, consumer electronics, industrial security, automotive electronics and other fields.