Extension ring is kind of link fitting.
Hot-dip galvanized steel

Who we are
Yongjiu Electric Power Fitting Co.,Ltd. was founded in 1989. It is a primary domestic professional manufacturer of electric power fitting and cable accessory.
With internationally advanced machinery processing facilities and experienced engineer team, Yongjiu is capable of producing various product and providing custom services to meet regional standards in different countries.

What we do
Yongjiu Electric Power Fitting Co.,Ltd. is specialized in the R&D, production and marketing of cable lug& cable connector, line fitting, (Copper, aluminium and iron), cable accessory, plastic products, lightning arrester and insulator with approved quality complying with ISO9001.
Focusing attention on innovation, our company has successfully developed hundreds of products.

What we focus on
Focusing attention on innovation, our company has successfully developed hundreds of products.
With internationally advanced machinery processing facilities and experienced engineer team, Yongjiu is capable of producing various product and providing custom services to meet regional standards in different countries. Yongjiu Electric Power Fitting Co.,Ltd. is customer focused and specialized in providing the most suitable solutions based on different requirement from each market.

Global Marketing Network
Yongjiu Electric Power Fitting Co.,Ltd. has established a mature marketing service network in more than 70 countries and regions around the world.

Quality Assurance
1.Every raw material has a test report.
2.Advanced equipment for quality precision machining.
3.Complete testing equipment ensure the performance of the product meets the standard and closely related to internationally accredited laboratories.
4.Strict quality inspection standards have strict quality procedures at the beginning of production, in the middle of production and in the completion of packaging.
5.ISO9001 certificate.