Carbon fiber infrared heating lamp One tube :10/12/14/15mm Twin tube: 23X11/33X15mm ... the industries where heating is needed: printing and dyeing, food, electronic, medicine, spin, timbering, paper industry, auto, plastic, fitment, shoemaking, metal ... /4152500-10000 700 – 2000620 -19204803000-12000 Carbon fiber infrared heating lamp