Shandong Gangshun International Trading Co., Ltd. is based in China and lists polyimide film and cotton bags on Global Trade Plaza. The polyimide film is offered in thickness specifications of 5 µm, 7.5 µm, 12.5 µm, 25 µm and 50 µm, with a yellow transparent color and a relative density of 1.39–1.45. It is produced by casting and stretching and is noted for high temperature resistance, radiation resistance, chemical resistance and electrical insulation properties, with a tensile strength of 200 MPa at 20 °C and above 100 MPa at 200 °C. The cotton bags are available in 100% cotton, T/C cotton and organic cotton, with canvas options. Styles include tote, drawstring, backpack, shoulder, foldable and suit cover bags in customized sizes. Printing methods offered are silk screen, heat transfer, sublimation, hot stamp foil and offset printing, with spare parts such as metal rivets, Velcro, buttons, zippers, inside pockets, lining, webbing labels and hangtags.