This is Amy from Bluesky Openparadise Co.,Ltd in china. We are manufacturer of 5N polysilicon chunk, besides polysilicon chunk, our Mono silicon wafers 125*125mm are also available now.For details, pls feel free to contact us! You can write us or add my skype id:amy.kong2007 to communicate with us. Website: http://www.global-powerenergy.com/Tel:+86-0755-82814796-81Fax:+86-0755-82513185-83Mobile phone:+86-13425196040Business Email:SKYPE:amy.kong2007