... used in various pipeline, warm-ventilation air-conditioning equip of petroleum, chemical, filature, metallurgy, electricity, construction, ... pipeline heat preserving material. Examples:American Dupot (China Shanghai) Chemical Fiber Co.,Ltd.;Nisshoku Chemical Industry ... Co., Ltd.;Archiland(Changzhou) Chemical Corp.(American);Parker International Trade (Shanghai) Co., Ltd.;Eternal Energy GnbH(Germany), ...