Shandong STO & Jiuyuan Machinery Co., Ltd. is a joint venture established by Jinan Jiuyuan Electromechanical Technology Co., Ltd. in 2019.Jinan Jiuyuan Machinery Co., Ltd., was established in November 2010, located in the capital of Shandong Province, China and its registered capital is RMB 12 million. Obtained ISO9001 international quality system certification in 2014 and awarded "high tech enterprise" in 2017. Based on years of cooperation, in 2019, Jinan Jiuyuan Machinery Co., Ltd. and STO Engineering GmbH established a joint venture company - Shandong STO & Jiuyuan Machinery Co., Ltd. and its registered capital is RMB 5 million. Using German technology, professional research and development and take advantage of the key
personal and technology from German STO Group, manufacturing winding special equipment and other non-standard special equipment. We have obtained 3 invention patents and 14 utility modelpatents before now. In 2021, STO & Jiuyuan also applied for the invention patent of "intelligent tension distributed continuous fiber additive manufacturing system", which has been preliminarily approved by the State Intellectual Property Office and has been publicized.