Polyimide (PI) has a high temperature resistance of up to 400C, a long-term use temperature range of-200 ~ 300 C, and some parts have no obvious melting point. Shandong Junhao produces thermoplastic and thermosetting polyimides, and the water phase synthesis technology is more environmentally friendly, more economical and lower in cost! It is mainly used to manufacture gaskets, bearings, valve seats, seals, transmission parts, insulation parts and other parts, and is widely used in aerospace, military industry, electronic appliances, chip semiconductors, automobiles, precision instruments, industrial robots, plasma cutting and other fields.