In the Economic development zone of Yangxin, Binzhou, Shandong Province, Shandong Yangxin Longtai Chemical Technology Co., Ltd. was established in February 2012, and it invested nearly 60 million CNY to built an automatic chemical plant covering an area of 40,000 square meters, the plant can produce annually 10000 tons Tetrahydrofuran used by 1,4-Butanediol. 

Our plant implements strict HSE management, has passed ISO9001 Quality Management System Certification, has perfect quality inspection equipment and facilities, and product quality is stable and reliable. The company maintains good cooperative relations with a number of State-owned Enterprises and Public Companies, and the products meet the requirements of domestic customers, while exporting to Japan, South Korea, EU and other countries and regions. The company actively practices corporate social responsibility, advocates the "Safety, Environmental Protection, Quality, Efficiency" co-construction and win-win business philosophy. Facing the increasing intense market competition, we will  continue to?work hard, wholeheartedly for customers to provide quality products and perfect after service.

In March 2022, in order to better serve domestic and foreign customers, Shandong Yangxin Longtai Chemical Technology Co., Ltd. invested 10 million CNY to wholly-owned establish SHANDONG PROSPER LONGTAI CHEMICAL LIMITED COMPANY in Qingdao Area of China (Shandong) Pilot Free Trade Zone, which responsible for the export of 1,4-butanediol and Tetrahydrofuran. It also engages in petroleum products, hazardous chemicals, construction materials, metals and minerals, machinery and equipment, and coal trade.