"Shandong Kaisheng New Materials Co., Ltd. (referred to as Kaisheng New Materials) was established in December 2005 with a registered capital of 420.64 million yuan. It is a high-tech enterprise mainly engaged in the research and development, production, and sales of fine chemical products and new polymer materials. On September 27, 2021, the company was listed on the Growth Enterprise Market of the Shenzhen Stock Exchange, with the stock code 301069.SZ.
The company is the world’s largest production base for sulfolane, a major domestic producer of aromatic polyamide monomers such as isophthaloyl chloride/terephthaloyl chloride, and the first in China to produce polyetherketoneketone (PEKK) products. It is also the third in the world to have its own intellectual property rights for the production of PEKK. The company's main products include Thionyl Chloride, aromatic polyamide monomers (isophthaloyl chloride/terephthaloyl chloride), 4-nitrobenzoyl chloride, 2-propoxyethyl chloride, and polyetherketoneketone (PEKK)."