Changhong electric factory established on the year of 1992. We manufacture lots kinds of pre-insulated terminal such as SV series, RV series, BV series, PTV series, RNB series, SNB series, FDD series, MDD series, FDFD series, FRD series, MRD series , SC series , GT series etc. The pre-insulation terminal is made from copper covered with tin and the insulation cover is made of PVC.We welcome customers all over the world to visit our company and establish long-term business relationship with us.