应用：
尼龙工程塑料大量用于机械，汽车，电器，纺织设备，化学设备，航空，冶金和其他田地。 All walks of life to become an indispensable structural materials, such as making all kinds of bearings, pulleys, oil pipelines, oil reservoir, oil pads, protective cover, cage, wheel covers, spoiler, fan, air filter housing, radiator water chamber, the brake pipe, hood, door handles, connectors, fuses, fuse boxes, switches, throttle pedal, oiler cap, high code protection and so on.
时间时间：15-2022年3月