Yunnan Tin Industry Group (Holdings) Co., Ltd. (hereinafter referred to as Yunxi) is a world-famous tin production and processing base, the longest and most comprehensive enterprise in the world tin production industry, ranking first in the world tin industry. Yunxi has a long history, with a history of 120 years since its establishment. It is the birthplace of China's tin industry, the "leader" of China's tin industry, the leading backbone enterprise of China's tin industry, the cradle of Yunnan's industrial civilization, 520 national key enterprises and one of the top ten enterprise groups cultivated in Yunnan Province. It represents the leading level of China tin industry and has strong international competitiveness.
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 of development, Yunxi has developed into an integration of geological exploration, mining, mineral processing, smelting, tin chemical industry, arsenic chemical industry, tin deep processing, new non-ferrous metal materials, precious metal materials, building materials, real estate development, machinery manufacturing, warehousing and transportation, and international logistics.
A large state-owned non-ferrous metal joint venture integrating scientific research, design and industrial development has become the world's largest tin production and processing base, the world's largest tin chemical center, the world's largest tin material processing center, the world's largest arsenic chemical center and the world's first-class research and development center for rare and precious metals.
Yunxi has a state-level enterprise technology center, the largest research and development institution of tin industry 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. Over the years, 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 been successively rated as "National Excellent Enterprise in Ideological and Political Work", National May 1st Labor Award, National Advanced Grass-roots Party Organization, National Advanced Collective of Four Good Leaders of State-owned Enterprises, National Enterprise of Keeping Contract and Paying Attention to Credit, National Enterprise of Customer Satisfaction, National Most Influential Enterprise in 2006, China Most Creative Enterprise and China.
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 "China famous brand product" and 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.