Shandong Baocheng Electronics (Haizhi Semiconductor) Co., Ltd., established in 2017, is a wholly-owned subsidiary of Qingdao Haizhi Semiconductor Co., Ltd. Qingdao Haizhi Semiconductor, established in 2005, is a technology-based private enterprise specializing in R&D, manufacturing and sales of rectifier bridges, TO-220/263 diodes, high-voltage silicon stacks, etc. The company has a group of senior engineers, technicians, and professional marketing personnel who have been engaged in the semiconductor industry for more than 10 years. The current production process is already leading the industry, forming a complete quality assurance system from suppliers to clients. Among them, the strip rectifier bridge and TO series products have achieved fully automated production.