中国瑞林工程技术有限公司（中国瑞林）是在1957年成立的通过强强联合组建而成的国际化工程公司。 China Nerin Engineering Co. Ltd. (NERIN) is an international engineering company established in 1957 with win-win cooperation with other strong ones. 经过53年的发展，已成为集工程设计、咨询、勘察、总承包、监理、设备制造集成等业务为一体的大型高新技术企业。 With development of 53 years, it has become a large high-tech enterprise mainly engaged in engineering design, consultation, survey, general contracting, construction supervision, equipment fabrication and integration and so on. 中国瑞林业务遍布全国三十多个省、市、自治区和加拿大、澳大利亚、阿尔及利亚、赞比亚、刚果（金）、南非、几内亚、津巴布韦、哈萨克斯坦、吉尔吉斯斯坦、尼日利亚、智利、伊朗、菲律宾、缅甸及老挝等二十多个国家。 Engineering services provided by NERIN can be found in over 30 provinces and regions in China and overseas in over 20 countries including Canada, Australia, Algeria, Zambia, D. R. Congo, South Africa, Guinea, Zimbabwe, Kazakhstan, Kirghizstan, Nigeria, Chile, Iran, the Philippines, Myanmar, Laos and etc. 中国瑞林在矿业、冶金、市政、民用建筑、环境保护等行业经验丰富，信誉卓著，获得国家科技进步一等奖和国家优秀工程设计金奖等多项奖励，主编《铜冶炼厂建设标准》、《钨矿山建设标准》等国家标准规范近20项，近年来在湿法冶金领域又取得长足进步。 NERIN has rich experiences and high reputations in mining, metallurgy, public works, civil works and environmental engineering, proven by the Top Prize of National Science and Technology Advancement and the state excellent engineering design gold medals. NERIN has also presided over the compilation of more than 20 national standards/codes/norms such as “Construction Standard of Copper Smelter” and “Construction Standard of Tungsten Mine”. NERIN has enjoyed extraordinary advancement in hydrometallurgy in recent years.