199 1 year: it was designated as a manufacturer by the Ministry of Mechanical and Electrical Engineering and the Ministry of Energy;

1993: seven products, including lfj1-10q and LDJ 1- 10Q, have passed the appraisal of scientific and technological achievements;

1994: lfj1-10q and LDJ 1- 10Q current transformers were rated as national new products;

1997: seven items, including lfj1-35q current transformer, passed the technical appraisal and scientific appraisal; GN30- 10/2000 and 3 150A indoor high-voltage rotary disconnectors were rated as national new products;

1998: it was recognized as a high-tech enterprise in Guangdong province; GN30- 10/2000 and 3 150A indoor high-voltage rotary disconnectors won the second prize of Zhaoqing science and technology progress; LFJ 1-35Q current transformer won the third prize of Zhaoqing Science and Technology; Passed ISO 9002: 1994 certification;

1999: won the third prize of outstanding technical achievements of Guangdong Workers' Association; Won the honorary title of AAA corporate image unit in China;

2000: JDZ 10- 10, JDZX1Kloc-0/0 voltage transformer, XZD1-Kloc-0/0 overvoltage absorber and JN1/Kloc. Become a member of China Electrical Appliance Industry Association;

200 1 year: passed ISO900 1∶2000 quality management system certification;

In 2002: 9 products including GN-12/1250-31.5 three-station indoor high-voltage disconnector passed the provincial technical appraisal; LDJ3-40.5QG plateau current transformer with contact box and other three products were rated as national key new products in 2002; Elected as the director of the fifth Council by Guangdong Mechanical Engineering Society; Selected as an internship base by South China University of Technology;

In 2003, six products, including LMZ5- 10 front combined current transformer, passed the provincial technical appraisal of new products and provincial scientific and technological achievements; Obtained the qualification of private science and technology enterprises in Guangdong Province;

2004: passed the evaluation of high-tech enterprises in Guangdong Province; Passed the acceptance of Zhaoqing High Voltage Electrical Sensing Engineering Technology R&D Center;

In 2005, it was jointly recognized as "Guangdong Cleaner Production Enterprise" by Guangdong Economic and Trade Commission, Provincial Science and Technology Department and Provincial Environmental Protection Bureau. The registered trademark "Hu Si" was recognized as "Guangdong Famous Trademark" and passed the ISO 9001/ISO1400/OHSAS18001quality/environment/occupational health and safety management system certification; Dry-type power transformer has passed the certification of "China Environmental Label Product"; With the successful launch of Shenzhou VI manned spacecraft, our current transformer LDJ3-40.5QG products have been applied to the power supply system of Jiuquan Satellite Launch Center in China, making contributions. Was awarded the title of "Guangdong Civilized Unit".

In 2006, Guangdong Branch of Fangyuan Mark Certification Center came to the company for the first time to supervise and audit the quality/environment/occupational health and safety management system, and passed the audit successfully. And passed the change audit of IS 014001:2004+0: 2004; The company's new office building moved;

In 2007: 8 products passed the appraisal and acceptance of new products and technologies;

In 2008, it became the first batch of newly recognized "high-tech enterprises" in Guangdong Province according to the new "Administrative Measures for the Recognition of High-tech Enterprises"; It is recognized as AAAA municipal "standardized good behavior enterprise".