1977 was officially listed and traded, and 1982 was certified by ISO-900 1 international standard quality assurance system, which made the company take an important step in quality assurance.
In the same year, he set foot in the construction industry. Capital increase from 1985 to 3.83 billion yuan.
The company has branches in Gu Wu, Taipei and No.33, Industrial Road, Taichung. Its subordinate enterprises include Dazhan Wire and Cable, Yamato Engineering Consultant, Daren Xingye, Daan Precision, Daiyi Plastics, Hengya Electrician, etc., and also have factories in Vietnam and Dongguan, Guangdong.