Shandong Sito Bio-technology Co., Ltd

Shandong Sito Bio-technology Co., Ltd, also known as Heze Sito Bio-technology, is based in Dingtao County, Heze City, Shandong Province, on a 61,000 square meter site that houses a modern production line, R&D center, and quality analysis center staffed by around 150 employees, including 47 technicians and 14 quality management personnel. The company focuses on steroidal biomedicine, using newly developed biological production methods to manufacture androstenedione (4-AD), 1,4-androstadiene-3,17-dione (ADD), 17-alpha-hydroxyprogesterone, and 17-alpha-acetoxyprogesterone, alongside broader hormone intermediates and fine chemicals. It offers CMO contract manufacturing, custom services, and consultation, exporting about 20% of output (80% sold domestically) under FOB and CIF terms with L/C and T/T payment, and serves markets across North America, Latin America, Western and Eastern Europe, and Asia.