Company Overview


Lane Xang Minerals Limited (LXML Sepon) operates the Sepon Gold and Copper Operation located in Vilabouly District, Savannakhet Province. Lane Xang Minerals Limited is the registered name in Laos in which Chifeng Jilong Gold Mining Co., Ltd (Chifeng) owns 90% and the Lao Government owns 10%. Since the operations commenced in 2002, Sepon has produced almost one million tonnes of Copper cathode and over 1.2 million ounces of Gold doré and produced over 72,000 tonnes of copper in 2019. 2020 Production guidance for Sepon is 45,000 tonnes of copper cathode and 1.5 tonnes of gold doré (48,226 oz)

Chifeng Jilong Gold Mining Co., Ltd owns 90% of LXML

Chifeng is a Shanghai – listed metals producer (SH:600988) headquartered in Chifeng, Inner Mongolia. Chifeng is a leading gold producer in China, with three core mining operations along with a mineral resources recycling business, which produces a variety of precious metals from low grade precious metals and electronic device recycling.

The company is specialized in gold acquisition and integrated resource recovery and utilization. Its products include rare and precious metals such as gold, silver, bismuth, palladium and rhodium.

Lao Government own 10% of LXML


2019 Production 72,006 tonnes of copper cathode
Location Vilabouly District, Savannakhet Province, Lao PDR
Product Copper cathode, Gold doré
Mining Method Open-pit mining
Processing Method Whole-of-ore leach, solvent extraction and electronicwinning
Commenced Operation Gold was first produced at Sepon in December 2002, copper in 2005. Gold production ceased in 2013 due to declining margins and grades, and to resume in 2020.
Estimated Mine Life Copper production to mid-2020 Gold production up to at least 2030
Employment 2019 Total Workforce Composition LXML employees – 1,564 Contractors – 1,469 Nationals – approximately 95% of workforce

History Timeline


Rio Tinto discovers Sepon


Rio Tinto sells 80% option over Sepon to Oxiana


First Gold production


Oxiana buys Rio’s remaining 20% stake in Sepon


First Copper production


Oxiana merges with Zinifex to form OZ Minerals


MMG Acquires Sepon from OZ Minerals


Copper plant capacity expanded to 80,000 tonnes per annual


Gold production suspended


Chifeng acquires Sepon from MMG

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