(BTWM) is the first company which possessed the CTC manufacturing equipments, providing CTC products and has manufacturing CTC history over 20 years。For many years, BTWM pay more attention to the new products developed. In 1999,BTWM developed heating-adhesive CTC and heating-adhesive Semi-hard CTC. both of which have all the excellent properties than ordinary CTC; besides, their resistance to bending are also greatly increased and their abilities to resist short-circuit impulse also get raised, especially the heating-adhesive Semi-hard CTC can remarkably improve the characteristics and increase life time of transformers. The heating-adhesive CTC and heating-adhesive Semi-hard CTC produced by our company have passed the New Products Identification of Hebei Province, and the technical lever is in leading in China.