Functional Test Contract PCB Assembly in 2 Layers for B2B Purchasing Product Description The company's main products are customized from single-sided, double-sided, to multilayer printed circuit boards as per customers' request. Products are used in Industrial control, consumer electronics, security electronics, IOT and Lighting products. YueTong Electronic is OEM pcb assembly manufacturer from Shenzhen, China. You can get quick turn pcb fabrication and pcb assembly for