USI Corporation, together with its subsidiaries, designs, develops, manufactures, and sells polyethylene plastic pellets in Asia, the Americas, Europe, Africa, Oceania, and internationally. The company offers ethylene vinyl acetate copolymers, low density polyethylene, high density polyethylene resin, linear low density polyethylene, and cyclic block copolymers; functional shielding coating; and green fireproof material and fire retardants. It is also involved in investment business; import, export, and trade; import and distribution of chemical raw materials and products; solar power generation, venture capital, and reinvestment business; management of chemical products, equipment, and plastic products; wholesale of electronic materials; and warehousing of petrochemical raw materials. In addition, the company engages in business management services; production and sales of optical products and fire protection materials, stretch film, embossed film, industrial use multi-layer wrap, manganese-zinc soft ferrite powder, and medium-density polyethylene; manufacturing and marketing of sapphire crystal, vinyl chloride monomer and related petrochemical products, PVC powder, PVC film and third-time processed products, and soft ferrite core products; commission agency services; and provision of property management. Further, it produces and sells polystyrene, acrylonitrile, butadiene, ABS resin, SAN resin, glass wool insulation products, and plastic materials; polystyrene derivatives; plastic cloths, skins, tubes, pellets, powder, and other related products; and multifunctional film and light solution films. The company sells its products under the EVATHENE, PAXOTHENE, UNITHENE, LINATHENE, ViviOn, and FREVA brands. The company was formerly known as USI Far East Corporation. USI Corporation was incorporated in 1965 and is headquartered in Kaohsiung City, Taiwan.