in 2020 was grandly opened in Shenzhen Convention and Exhibition Center on September 2, 2020. Where many domestic and foreign industry brands displayed cutting-edge production and processing equipm...
1. Check the certification mark.Products that have obtained compulsory certification shall be marked with the certification mark, namely “CCC” mark, otherwise, they shall be regarded as...
1.Aging causes of wires and cables: external damage.According to the operation analysis in recent years, quite a lot of cable faults are caused by mechanical damage.For example: wire and cable inst...