La 20 Pulungoana 2018, seboka sa ho qala sa Shandong Hydraulic Association (Shandong Equipment Manufacturing Association Hydraulic Branch) se ile sa tšoaroa ka katleho Qingdao.Gao Ling, motlatsi oa mongoli-kakaretso oa Shandong Equipment Manufacturing Association, Su Hongxing, motlatsi oa mongoli-kakaretso oa Qingdao Municipal Economic and Information Technology Commission, le Xue Runbo, motlatsi oa hlooho ea Sehlopha se ka Sehloohong sa Kholiso ea Matsete le Khothatso ea Matsete ea Qingdao National High- tech Industrial Development Zone Sebokeng, batšehetsi le litho tsa lekala la hydraulic, hammoho le mecha ea litaba ea "Qingdao Daily" le "CCTV-Quality Column" ba ile ba kenya letsoho kopanong ea ho qala.