Why Choose Us?

SIDA POWER is the only company in China through the National Electric Power Research quality testing and certification, the only one is underwriting by PING AN Insurance Company, first professional manufacture of electrical anti loosen, anti theft locking nut through the certification of ISO 9001. Our company has more than 130 patents, high quality and reliable product and industry leading technology advantages are our strong backing of the market. The products have been exported to Southeast Asia, Middle East, North Africa, South Korea and Russia. To search larger market, our company invites agents from all over the world. 

new style tower anti theft nuts

 the rear hold cap is the most important key to play a locking effect , it has a fastening outside cone consistent with the taper of compression cap ,the diameter of cone is greater than the one which in the compression cap .When installing it , the cone outside will express inward along the cone within the compression cap ,under the express of the inside cone ,the pore size of outside cone will narrow ,when the hexagonal part of the two themes all  pressed ,the outside cone of lock nuts has already hold fast to the fastening bolts.