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Shenzhen Kingsum Circuit, as a wholly-owned subsidiary of Kingsum Circuit Group, headquartered in Shenzhen, Guangdong, was founded in November 2021. Kingsum Circuit Group was founded in August 2015. lt has two major production facilities bases in Huizhou, Guangdong and Rongchang, Chongqing. The manufacturer has high-end PCB full-process production capacity, with a total annual production capacity of 1.8 million square meters. The products are widely used in photovoltaic, energy storage, industrial control, power supplies, automotives, medical care, 5G, military industry, aerospace, etc. The company has established ISO14001: 2015，ISO45001: 2018ISO9001:2015,1ATF16949 management System, strictly implement the product safety standards of UL, CQC, ROHS, carry out product quality internal audit work and management review work, to ensure that the company's quality system can be continuously improved and effectively operated. The company attaches great importance to R & D and innovation, attracts and trains a large number of high-qualityprofessionals，continuously strengthens the construction of newtechnologies and new platforms, and establishes a new R&D laboratory to formulate new product design and development auxiliary design optimization (CAM)，process equipment capacity improvement, automation transformation and upgrading and a seriesof research and development systems. Establish a technological innovation system with enterprises as the main body, market-orientedand deep integration of industry, education and research，and continuously improve the processing technologies of high-end multi-layer boards, thick copper boards, high-frequency high-speed boards, special PCB boards,etc., and greatly improve the process level toprovide customers with high-quality, high-reliability PCBs.