1.easy installation 2. long year protection. 3.used in transportation,aviation,orbit,textile industry and other wide areas Mg rod: Mg alloy is widly used in transportation,aviation,orbit,textile industry and other wide areas. Performance:Mg alloy is the lightest metal construction material,the specific gravity is only 1.8,it is 1/3 of Aluminium and 1/4 of Iron,However it's intensity is about 133 ...