1.life strong 2.anti-vibration 3.high quality 4.low price 5.exact delivery time We offer various spec thorium nitrate gas mantle and gas mantle without thorium nitrate. Round shape, tubular shape. Single rope and double ropes. 100/200 c. P, 300/400c. P, 500/600c. P, 800/1000 c. P.Gas mantle are for pressure lantern, gas lantern, camping lantern, kerosene lantern, etc. The products won high ...