China TMK Battery Systems Inc. reported earnings results for the full year ended December 31, 2011. For the period, the company reported revenues increased from $66.4 million to $91.7 million in the corresponding period in 2011, representing a 38% increase due to increase of customer base and product upgrade. Net income was $13.2 million or $0.36 earnings per share against $6.3 million or $0.17 earnings per share for the same period a year ago.