We are a trading corporation,handling both the import and export of pvc resin. we have large manufacturer in mainland china. we can supply the following :SG5 with k value 68-66SG3 with K value 72-71SG8 with k value 59-55packing in 25kg bags. origin: chinaIf you are interested in our material, please feel free to contact us for further details.we shall be glad to give you our lowest quotations upon receipt of your detailed requirements.we look forward to reveiving your enquires soon.