It is Changhsu Zhongxun Space Flight Insulating Material Co., Ltd. We have specializied in manufacturing polyimide film / kapton (equal to DuPont HN type) and FEP film (equal to DuPont FN type) more than 22 years.  At present we have four production lines to produce polyimide film, normal thickness is 0.025mm (100HN),0.05mm(200HN),0.075mm(300HN),0.10mm, 0.125mm (500HN) ect. And we have another four production lines to produce FEP film (equal to DuPont FN type), normal thickness is FHF0.032mm(120FN616), FH0.038mm(150FN019),FH0.04mm(150FN019B),FH0.05mm(200FN011),FHF0.05mm(200FN919) ect. Our width is from 8mm to 600mm. Our products have passed ISO, SGS, UL certificates. Our UL file No. is E305246.