Complex sentence: According to Digitimes in July 2011, the total polysilicon production in 2010 was 209,000 tons and first-tier suppliers account for 64% of the market while China-based polysilicon firms have 30% of market share.
Split into simpler sentences: According to Digitimes, in July 2011, the total polysilicon production in 2010 was 209,000 tons. First-tier suppliers account for 64% of the market while China-based polysilicon firms have 30% of market share.