Dear sir , Good day!  This is Rinko from Yichang Zontay Chemical Co.,Ltd. We are a leading manufactory  in producting barium sulphate, barium sulphate precipicated and calcium carbonate（PCC and GCC）.And we can provide the free sample for you . And we will take part in 2016 Korea Coating Show . Hope we can start a good business relationship very soon.If you have anyrequirement or question,please contact to me. Hope your reply ASAP. Best regards, Rinko Pan
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