China Petrochemical Development Corporation, together with its subsidiaries, produces and sells petrochemical intermediates and related engineering plastics, synthetic resins, chemical fiber, and other derivative products in Taiwan, rest of Asia, and internationally. It offers petroleum, alkali-chlorine, phosphoric acid, and derivative products; and storage, transportation, procurement, and sale of items and related chemicals and chemicals materials. It also provides caprolactam for use as a raw material for making nylon-6 fibers and resin; acrylonitrile, a raw material for acrylic fibers and ABS plastic; nylon chips, including fiber nylon and engineering plastic grade nylon chips, and film; ammonium sulfate, which is used as a ground or top fertilizer in agriculture; hydrogen cyanide, a transparent liquid for use as a raw material for manufacturing MMA; acrylonitrile; and refined sulfuric acid for various applications, as well as O-Phenylphenol, a raw material for downstream applications. In addition, it is involved in the investment and development of real estate properties; technical advisory; petrochemical supporting facility construction; engineering and construction contracting business; biotechnology and pharmaceutical research, development, and marketing business; wholesale of building materials; fertilizer storage, transport, purchase, and marketing business; trading of petrochemicals, electronic chemicals, industrial gases, and gas mixtures; and water treatment, plumbing, apparatus, and instrument installation work, refrigeration and air conditioning engineering, and tank car repair services, as well as offers mechanical engineering services. Further, it commissions to build housing and commercial buildings, as well as plant rental business; and manages land developments and playgrounds, and other investment businesses. The company was incorporated in 1969 and is headquartered in Kaohsiung, Taiwan.