It's been tough for U.S. companies to break into the Chinese solar market, which is where Trina Solar (NYSE:TSL) and JinkoSolar (NYSE:JKS) are relying on growth to regain profitability. 

But SunPower (NASDAQ:SPWR) recently sold 70 MW of concentrator cell packages to a joint venture in China, part of 120 MW of projects the venture is building there. Not only is this a step into the Chinese market, it's a major step for concentrator solar, something First Solar (NASDAQ:FSLR) and others are looking into as well. 

In the video below, solar analyst Travis Hoium covers why he thinks this is a big move for a company that doesn't normally compete in China. 

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Travis Hoium manages an account that owns shares of SunPower and personally owns shares and has the following options: long January 2015 $5 calls on SunPower, long January 2015 $7 calls on SunPower, long January 2015 $15 calls on SunPower, long January 2015 $25 calls on SunPower, and long January 2015 $40 calls on SunPower. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.