Tongling Onbole PCB Co.,Ltd. is a high-tech enterprise jointly funded by Jiangsu Xinan Electrical Appliances Co., Ltd., Suzhou Lingyun Circuit Board Co., Ltd. and Suzhou Xiangcheng District Gusu Circuit Board Co., Ltd. Among them, Xinan Company specializes in manufacturing PCBA and purchasing PCB2 billion yuan annually. The three enterprises in Suzhou have integrated their industrial chains. Their customers include the top 500 enterprises in the world. Their products are exported to domestic and foreign markets. The annual capacity of the first phase of ABC boards reaches 700,000 square meters, the sales volume is 500 million yuan, the tax revenue is 40 million, and the pre-employees are 600. At present, the purchasing equipment has reached the international first-class level, which is comparable with the first-class enterprises in the field of PCB. From 2017 to 2020, FPC and hard and soft bonding boards, HDI high-end multi-layer printed circuit boards were put into operation.