4. China's Sorl Auto Parts ( SORL) manufacturers and distributes commercial vehicle air brake systems through a joint venture. It faces an upside of 59% from current levels with 16% of analysts recommending a buy on the stock. The stock's price-to-book ratio of 1.6 is lower than close competitor China Automotive Systems ( CAAS) 4.39, implying attractive investment opportunities. Sorl Auto Parts is a supplier to six commercial vehicle manufacturers in India, the market that will support the company's growth. The company COO said, "India is one of the most important global commercial OEM markets and we are focusing on growing our business there."