Johannesburg - Income in the manufacturing sector was R1.67trn in 2011, Statistics SA (Stats SA) said on Tuesday.
"The largest contributor to the total income was coke, petroleum, chemical products, rubber, and plastic with R485bn," executive manager of structural industry statistics Itani Magwaba said.
Metals, metal products, machinery, and equipment brought in R337bn and contributed 20%, while food and beverages contributed 17% with R288bn, and transport equipment contributed 15% with R245bn, he said.
Stats SA was briefing the media on South Africa's economic statistics on Tuesday in Sandton.
Magwaba said coke and petroleum products topped the list in terms of income with R241bn, followed by equipment for road transport with R152bn, and basic metals with R128bn.
The profit margin - net profit after tax divided by turnover - for the manufacturing sector was five percent in 2011, said Magwaba.
The total number of people employed in manufacturing at the end of 2011 was 1 304,589 with 24% (308 200 people) employed in the metals, metal products, machinery, and equipment sectors.
"The annual turnover of all industries for the annual financial statistics was estimated at R6.3trn for 2012, an increase of 10.9% compared with the revised estimate of R5.7trn for 2011."
Capital spending on assets amounted to R387bn in 2012. This was an increase of 4.9% between 2011 and 2012.