長治市京輝剛玉科技有限公司是一家集科研、開發、生產推廣為一體的高科技企業。公司主要以剛玉陶瓷與管道、管件以及冶金噴煤配件的材料復合為研發主體，解決冶金、電力、礦山等領域物料輸送管線及設備的磨損、腐蝕、氧化等問題。公司和國內冶金等領域的研究機構建立了多環節多領域的長期合作。公司已申請并獲得國內多項專利發明和國家及省市科技進步獎。公司目前主要有耐磨管道、噴煤設備配件、冶金機械設備配件等三大類產品。公司現有職工50余名，其中科技類人員占全部職工人數的40％主要從事公司管理、市場調研、產品研究開發、質量等工作。　　我公司堅持：“質量為本、信譽至上”的公司方針，全心全意為用戶服務。真正成為用戶永遠的朋友。Changzhi Jinghui Gangyu Science and Technology Co., Ltd. is a high-tech enterprises engaged in scientific research, development, production and marketing. The research subjects of the company are mainly compound materials of corundum ceramics with materials of pipelines, pipe fittings and metallurgical coal injection accessories; the company aims to provide solutions to such problems as abrasion, corrosion and oxidation of conveying pipelines and equipment in metallurgy, electricity and mining fields, etc. Our company has established a multi-link, multi-filed and long-term cooperation with domestic research institutions in many fields such as the metallurgy; it has applied for and obtained a few national invention patents as well as many national and provincial science and technology progress prizes. The company now mainly has three categories of products: wear-resisting pipes, accessories for coal injection equipment and accessories for metallurgical machinery. Our company has more than 50 staffs among which scientific and technical personnel have accounted for 40%; for scientific and technical personnel, they are mainly engaged in company management, market research, product research and development, quality assurance and so on. We uphold the principle of “Quality Orien