Youju is led by a professional team of well-educated doctorates and post-doctorates in the R&D, as of the end of June 2023, with 55 authorized patents (including 38 invention patents, 1 PCT patent, 12 design patents, 4 utility model patents), and 20 invention patents under application. It has completely independent intellectual property rights and has already built advanced auto-production line with 6000mt/a capacity of polysulfone series resins products. In addition, new production lines have been building, such as the LCP production line with 2500MT annual capacity, the PPA production line with 2500MT annual capacity, the PEI production line with 5000MT annual capacity, and PEA or polysulfone series production line with 5000MT annual capacity. With the certification of IATF 16949, ISO9001, ISO14001 and ISO45001, the quality of Youju polysulfone series products is excellent and have been approved by UL, NSF, WRAS, ACS, W270, FDA, EU, ISO10993. Our products have been recognized by many well-known enterprises at home and abroad, and are widely used in medical apparatus and instruments, food contact, motor vehicle, electric and electronics, water treatment, commodity, maternal and infant products and more.