in 2015, sda set up a city-level technology center, and put research development efforts under direct supervision of general manager and deputy general manager. the senior management pays close attention to research development, while the grass-roots level ensures strong execution. over the years, we have developed and refined our research development organization management method, which clearly defines relevant roles, responsibilities and process. on the other hand, sda has a complete and effective intellectual property management system, which now includes 97 licensed patents. in sda technology center, the well-known conclusion that “science and technology are the first part of productive forces” has always been taken as the standard by the research development team. every year sda attracts and trains new talents for its workforce to forms a talent pipeline combining employees of all ages. at present scientific research personnel make up 35% of sda workforce, and those with medium or senior titles account for 75%. sda has established long-term research development partnership with many universities and research institutes in china.
sda’s leading products include blending stacker-reclaimer series for circular stockyards, blending stacker-reclaimer series for longitudinal stockyards, ship loader series, vertical mills, roller presses, belt conveyors and other series. our 42 products are widely used in eight industries such as cement, mining, port, power, chemicals, metallurgy, etc. in recent years, by importing, upgrading foreign advanced technologies and making them sda’s proprietary technologies, we gradually improved product performance and expanded product lines. some of our products are among world’s best in terms of performance.