Tianjin Jiayi Insulation Material Company Limited is a manufacturing and wholesale company, providing the highest-quality polymide (capton) series for the local market and international market. Our ???injiu???brand products are the world-class insulation materials, which have very high heat-proof and hot stability at the temperature of -200 to 260 degrees, they have the outstanding machine function, the electricity insulation character, the causticity-proof character, etc. Now they have already ...