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Lizhi Song
Mr. Song is the director of technoloy of WSD, and is one of the famous experts for scoliosis corrections in China.

       Mr. Lizhi Song is a famous expert of the orthopedic brace of scoliosis in China. He is now the technic director of  WSD Biomedical. In 2007 He graduated with a Rehabilitation major of the Shandong Weifang Medical University. He worked at Beijing Jishuitan hospital orthoses center as a technician for more than 3 years; from 2012-2017, he worker at the People Liberation Army 306 hospital orthopedic department in Beijing as a head of the rehabilitation therapists’ center. In 2017, Mr. Song established his own workshop for scoliosis in Beijing. In 2019, he joined in WSD Biomedical as a chief technic officer. 

       Mr. Song is a large influence experts over the area of correction of scoliosis and has more than 9 years of rich clinic experiences. He has made more than 5000 braces for the youth group of scoliosis and built up a set of specialized complete scheme of conservative treatment for scoliosis, and it is highly praised and recognized by doctors and patients. Thousands of teenagers and children with scoliosis get a very significant improvement effect after his treatment of 6-9 months. This all make up him as the most productivity expert of the treatment of spinal deformity in China.

       Besides of the above, he was certified as Rehabilitation Therapists Certificate of 2014 of China; obtained the Italian SEAS scoliosis physical therapy and Italy SAA certification exercises in 2016. He was also the chief rehab physician of the Capital of British Intelligence Orthopedic Rehabilitation Hospital. 

       Mr. Song, also actively get involves in research of clinical front line, such as, scoliosis and common joint diseases auxiliary equipment production and research and development. Cooperation with spinal doctors, he has a very in-depth research on spinal disease, especially in the aspect of spinal deformity, of adolescent idiopathic scoliosis, congenital scoliosis early intervention control, and lateral bending of postoperative secondary with a correct treatment of the disease. He owned three patents of correction of scoliosis. 

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Weidong Liu
Qingdao WSD Intelligent New Materials Co., LTD. , Founder and Chief Expert

Dr. Liu has been working on the synthesis, processing, modification and product innovation of rubber, plastic and composite materials for more than 30 years. He has a high status and influence in the field of polymer research in China. In 1994, he graduated from Nanjing University of Science and Technology and received his Ph.D. degree. In 1997, he was engaged in polymer research in the famous polymer research center of the University of Massachusetts at Amherst in the United States under the guidance of Professor Richard Stein, academician of the National Academy of Sciences and National Academy of Engineering, the United States. In 2013, he returned China from abroad and established a R&D and production team, focusing on the synthesis of ultra-high strength polymer and the preparation of its fiber product, and the synthesis of high-temperature thermoplastic polyimide and its industrial application. He also initiated the R&D of new structure rubber track and manufactured 17 types of the innovative products sold in the United States, Russia, France and at home.