... 3.Model:JTH-11,21,22,31,32,33,41 Aluminium Connector (H type) is our new technical improvement.The H ... terminals. Increasing the anode design, avoiding the transition problem between aluminium and copper, non-corrosion. Be filled with anti-oxygen, protective ... used in Asian countries, especially Mainland China. Jiatai Electric Power Fitting Co., Ltd. is the biggest factory who make them.Detailed ...