1887
The Straits Trading Company Limited (STC) was formed and smelting operations began on Pulau Brani, Singapore.
1900
A site was purchased in Butterworth and the smelting works officially began operations in 1902.
1955
The Butterworth Smelting Works started up after war with 3 large furnaces.
1978
Incorporation of Malaysia Smelting Corporation Berhad for the purpose of taking over STC's tin smelting business.
1982
MSC takes over STC's smelting business as a joint venture between STC and MMC with equity interest of 58% and 42% respectively.
1994

MSC successfully listed on the Main Board of the Kuala Lumpur Stock Exchange with a paid up capital of RM 75 million. STC and MMC interest reduced to 37.45% and 37.44%.

MSC achieved the distinction of being the first tin smelter in the world to be accredited to ISO 9002.

1997
MSC won Product Excellence Award from the Ministry of Domestic Trade and Industry of Malaysia for MSC high purity 4 Nines tin.
1999
MSC acquired 40% equity in Redring Solder Sdn. Bhd., a downstream solder (tin based alloy widely used for joining and semi conductor applications in the electrical and electronic industries.
2002
Acquisition of PT Koba, an upstream tin mining operation in Indonesia
2003

Entry into Australia through the acquisition of 30% interest in Marlborough Resources NL (now known as Australia Oriental Minerals NL).

Incorporation of a wholly owned subsidiary, PT MSC (I), to undertake major exploratory works in Indonesia.

2004
Acquistion of a 100% interest in Rahman Hydraulic Tin Sdn. Bhd., the largest and one of the oldest tin mine in Malaysia.  
2005
MSC becomes a subsidiary of The Straits Trading Company Limited (STC) as a result of an unconditional take-over offer by Straits Trading Amalgamated Resources Sdn Bhd ("STAR (M)"), a wholly owned subsidiary of STC.  

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