Yunnan Tin Group (Holding) Company Limited (YTC) is the largest tin producer and exporter in China and the world. It is headquartered in Kunming, Yunnan. It involves in the production, processing and export of tin metal, and also for the production of tin-based and arsenic-based chemicals. It was established in 1883 by the Government of Qing Dynasty as the Gejiu Manufacture & Commercial Bureau (China Merchants).It owns two listed subsidiaries, Yunnan Tin Company Limited and Sino-Platinum Metals Company Limited . It was established in 1998 and listed on the Shenzhen Stock Exchange in 2000. It is the only stock company in the Chinese tin industry.

Yunnan Tin Mining Company is one of the oldest and largest tin mining companies in China. Founded in the late 19th century, the company is headquartered in Kunming, Yunnan province and is one of the largest employers in the region. The company has been an important part of the local economy for over a century, providing jobs and other economic benefits to the area.

The company is a leader in the global tin mining industry, producing over 40,000 tons of tin each year from its various mines in Yunnan. With its large reserves of tin, Yunnan Tin Mining Company is able to produce tin in various forms, including tin ore, tin concentrate, tin slag, and tin alloy. The company is also involved in the production of other metals, such as zinc, lead, and copper.

Yunnan Tin Mining Company has a long history of environmental stewardship, taking measures to ensure its operations are conducted in a responsible manner. The company has implemented a number of measures to reduce its environmental impact, such as reducing its water consumption, reducing its energy consumption, and using renewable energy sources.

The company is also committed to safety and has implemented a number of safety measures in its operations, such as providing safety training to its employees and using advanced safety equipment. The company is also committed to the development of its employees, providing training and educational opportunities for its workers. Yunnan Tin Mining Company is an important part of the local economy, providing jobs and economic benefits to the region. The company is committed to responsible operations and providing a safe and healthy work environment for its employees.