The predecessor of Yunxi was Gejiu Factory Investment Promotion Bureau, which was established in the 9th year of Guangxu reign of Qing government (1883). After the founding of New China, the state invested Yunxi as one of the national 156 key construction projects. After 100 years' development, Yunxi has developed into a state-owned super-large nonferrous metal joint enterprise integrating geological exploration, mining, mineral processing, smelting, tin chemical industry, arsenic chemical industry, tin deep processing, new nonferrous metal materials, precious metal materials, building materials, real estate development, machinery manufacturing, warehousing and transportation, international logistics, scientific research and design and industrial development, and has become the largest tin production and processing base in the world. Yunxi Holding Company has developed into more than 40 wholly-owned and holding subsidiaries such as Yunnan Tin Industry Co., Ltd., Guiyan Platinum Industry Co., Ltd. and YTC Resources Co., Ltd. listed in Australia. It has subsidiaries and institutions in Beijing, Shanghai, Hunan, Shenzhen, Wuhan, Chengdu, Kunming, Hong Kong, the United States, Germany, Indonesia and Singapore. The company's total assets exceed 38 billion yuan, covering an area of nearly 200 square kilometers. There are 30,000 employees and 30,000 retirees, with a total population of nearly 6.5438+0.5 million.
Yunxi products are mainly refined tin, solder, tin materials and tin chemical series, and at the same time produce copper, lead, zinc, nickel, indium, silver, bismuth, gold, platinum, palladium, rhodium, iridium, ruthenium, osmium, precious metal high-purity materials, special functional materials, information functional materials, environmental and catalytic functional materials and non-ferrous chemical products. There are 4/kloc-0 kinds of products and equipment exported to 56 countries and regions, and enterprises have ranked first in Yunnan Province for many years. The leading product "Yunxi brand" refined tin is a "China famous brand product" and a national quality inspection-free product. It is an internationally renowned brand registered with the "YT" trademark on the London Metal Exchange. Tin-lead solder is the only similar product in China that has won the national quality gold medal. The company has passed ISO10012.1Metrology Testing System Certification, ISO900 1 Quality Management System Certification and ISO 1400 1 Environmental Management System Certification.
Yunxi has a state-level enterprise technology center, the largest tin research and development institution in China, and the world-renowned Kunming Precious Metals Research Institute. It is the only scientific research institution engaged in comprehensive research and development of precious metals in multidisciplinary fields in China and one of the world-famous precious metals research institutes. Yunxi has national and even world-leading technological development capabilities in tin mining, mineral processing, smelting, tin chemical industry, deep processing of tin materials, arsenic chemical industry and precious metal research, and has independent intellectual property rights and advanced mining, mineral processing and smelting production equipment. Tin smelting technology and equipment are at the leading level in the world. At present, there are 474 senior professional and technical personnel, 64 of whom enjoy special government allowances. Five doctoral supervisors. Since the new century, more than 400 scientific research achievements have been made, including 52 national, 404 provincial and ministerial, and 22 national patents/kloc-0.
Through hundreds of years of accumulation, Yunxi has formed its own distinct management advantages and excellent corporate culture, good social image, corporate reputation and financing channels, as well as a team of high-quality cadres and workers tempered by long-term difficulties. The company has successively been rated as "National Excellent Enterprise in Ideological and Political Work", National May 1st Labor Award, National Advanced Grassroots Party Organization, National "Four Good" Leading Advanced Collective of State-owned Enterprises, National Contract-abiding and Credit-keeping Enterprise, National Customer Satisfaction Enterprise, National Influential Enterprise in 2006, China Innovative Enterprise and China Famous Brand Product.