Nantong Sirui Engineering Co., Ltd. has many years manufacturing history in professional mechanical equipments and machine tools. Sirui possess strong technical team and R&D center, has been involved in drafting and formulation of national standards of several products. Meanwhile in all the years, Sirui has cooperated with domestic famous universities and scientific research institutions all the years, and created drives, its technical level of products has been in the international leading position. “SPRUN” brand is renowned in domestic and overseas.