Source: Climate Change Business Journal, September 2, 1011. American makers of solar photovoltaic components and solar heating and cooling systems are taking a central place in the global solar supply chain, enjoying a positive trade flow of $1.9 billion in 2010 and showing a positive export-import balance with China, according to a new report by GTM Research (Boston, MA). Exports totaled more than $5.6 billion last year, with PV polysilicon feedstock and capital equipment leading all components at $2.5 billion and $1.4 billion, respectively, the report concluded. Imports of PV products totaled $3.7 billion in 2010, $2.4 billion of which came through the procurement of modules assembled overseas. The US solar industry was a net exporter of solar products to China by more than $240 million, with capital equipment and PV polysilicon leading the way.