Shandong Baocheng Electronics (Haizhi Semiconductor) Co., Ltd., established in 2017, is a wholly-owned subsidiary of Qingdao Haizhi Semiconductor Co., Ltd., Qingdao Haizhi Semiconductor, founded in 2005, is a professional engaged in rectifier bridges, TO-220/263 diodes, high-voltage silicon stacks and other research and development, manufacturing, sales as one of the science and technology private enterprises, the company has a group of senior engineers, technicians, professional marketing personnel engaged in the semiconductor industry for 10+ years, The current production process has been in the leading position in the industry, forming a perfect quality assurance system from the supplier to the customer, among which the strip rectifier bridge and TO series products have achieved fully automated production.