After commissioning its $11 million switchgear manufacturing facility in China, Larsen & Toubro (L&T) is all set to start operations at two other plants in the country by the end of this quarter."The company has already commissioned its switchgear manufacturing facility in Wuxi province of China. The plan is to start operations at the valve and tyre manufacturing equipment facilities sometime during the present quarter," R N Mukhija, president, operations (electrical business group), L&T said.He added that including the three manufacturing facilities, L&T operates five broad businesses in China including sourcing raw materials and supplying coal gasification equipment. "We are supplying coal gasification equipment to China and have already supplied machinery worth Rs 300 crore," Mukhija said.