Shandong Diyi Electronic Technology Co., Ltd. was established in 2006, integrating R&D, production and sales. The company specializes in semiconductor diodes, bridge rectifiers, thyristors, field effect transistors and other products. It can produce 4 billion pieces of various semiconductor diodes, 3.5 billion pieces of various bridge rectifiers, thyristors, field effect tubes, power 500 million tubes. The company has passed ISO9001, ISO14001, IATF16949 and other management system certifications. All the company's products comply with REACH testing standards. The bridge rectifier products have passed the U.S. UL safety certification and comply with the environmental protection requirements of the latest EU RoHS directive. It is sold all over the country and exported to Hong Kong, Taiwan, South Korea, India and European and American markets, and has become a well-known electronic component manufacturer in the country.