Shanghai Huayi Group Corporation Limited operates as a chemical company in China and internationally. The company offers methanol, acetic acid, carbon monoxide, synthesis gas and sulfuric acid, air separation products, etc. for chemical, pharmaceutical, and other industries. It also provides support services for water, electricity, steam, and other public works, as well as special railway lines and dangerous chemical goods terminals; and dangerous chemical goods transport vehicles and other logistics facilities. In addition, the company offers caustic soda and PVC products under the Shenfeng brand; all-steel radial truck, all steel radial light truck, passenger, full-gauge radial truck, and semi-steel radial tires; and acrylic, ice crystal acrylic acid, butyl acrylate, ethyl acrylate, isooctyl acrylate, hydroxyethyl acrylate, and other products under the Yaxing brand for used in coatings, chemical fiber, textile, light, and other industries. The company was formerly known as Double Coin Holdings Ltd. Shanghai Huayi Group Corporation Limited was founded in 1997 and is based in Shanghai, China.