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...
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...
The long-term allowable cable current rate refers to the current value when the current in the cable passes through, and the temperature of the cable conductor reaches the long-term allowable opera...
