General Motors (NYSE:GM) announced today that it and its joint ventures in China had sold 1.27 million vehicles in the country in the first half of 2011, receiving a boost from its all-time best June sales of 193,878 vehicles.The first half sales mark is up 5.3% compared with the first six months of 2010, setting an all-time record for first half sales.Domestic sales by Shanghai GM were up 25% year-over-year to a record 600,002 vehicles. Sales of mini-vehicles in by SAIC-GM-Wuling decreased 5.4% on an annual basis to 641,324 vehicles. FAW-GM’s domestic sales were off 38.8% from the first six months of last year to 30,332 units.June sales grew 9.9% from June 2010. Shanghai GM's domestic sales grew 41.4% from the year ago period, while SAIC-GM-Wuling's sales fell 11.2% to 88,027 units.Shares of General Motors are trading up 1.31% at $30.98.