Shandong Longgang Silicon Technology Co., Ltd. was founded in 2011 is a high-tech enterprise integrating R & D, production and sales, vice president unit of China Inorganic silicide Association, national enterprise credit rating 3A enterprise, national specialized and new "little giant" enterprise, single champion enterprise of manufacturing industry in Shandong Province, top 50 leading enterprises of new materials in Shandong Province Shandong technological innovation demonstration enterprise, Shandong gazelle demonstration enterprise, Shandong "invisible champion" enterprise, Shandong high-end brand cultivation enterprise, Shandong specialized special new enterprise and Shandong fine management model enterprise.