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).^[1]

Yunnan Tin Group (Holding) Company Limited
雲南錫業集團(控股)有限公司

Headquarters of Yunnan Tin at Gejiu
Company type	State-owned enterprise
Industry	Metal mining
Founded	1883
Headquarters	Kunming, Yunnan , People's Republic of China
Area served	People's Republic of China
Key people	Chairman: Mr. Lei Yi
Products	Tin
Subsidiaries	Yunnan Tin Company Limited Sino-Platinum Metals Company Limited
Website	Yunnan Tin Group (Holding) Company Limited

Yunnan Tin Company Limited
雲南錫業股份有限公司

Company type	State-owned enterprise
Industry	Metal mining
Founded	1998
Headquarters	Kunming, Yunnan , People's Republic of China
Area served	People's Republic of China
Key people	Chairman: Mr. Lei Yi
Products	Tin
Parent	Yunnan Tin Group (Holding) Company Limited
Website	Yunnan Tin Company Limited

It owns two listed subsidiaries, Yunnan Tin Company Limited (SZSE: 000960) and Sino-Platinum Metals Company Limited (SSE: 600459). 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.^[2]