"the heifer has a long heart and a long heart." the sichuan province's xinda electronics plant, which began in 1994 and has been a sword cast for more than 20 years, created a well-known electronic transformer, the "helicopter " brand, and in 2011 heifer electronic transformers were selected to be among the top 10 famous brands of the chinese electronics in the hyeung network. "cow" is a popular term for transformers in the electronics industry; "cow" symbolizes zonta's tenacity and aggressive spirit; "cow" embodies zonta's social responsibility and commitment to users, suppliers and employees; and "cow" is a high concentration of influence on zonta's industry. Helium transformers have always mastered core technology to drive industrial change and have been the first to break through the industry-restricted zone, especially with ring transformers: the problem of the 50 va micro-circle-conforming process has been resolved at an early age, and high-quality production has been achieved...