Dear Sirs, It's a pleasure to write to you to establish long term cooperation with you and your esteemed company! We are one of leading manufacturer and exporter of Sodium Tripolyphosphate and Phosphoric Acid in China, our main products as following: 1.Sodium Tripolyphosphate 94% Min Detergent, Ceramic and Food grade 2.Sodium Hexametaphosphate 68% Min Tech and food grade 3.Phosphoric Acid 85% Min Food and Technical grade 4.Yellow Phosphorus 5.Ferror Phosphorus 6.Formic Acid 85% Tech grade 7.Dicalcium Phosphate 8.Trisodium Phosphate 98% Food and tech grade 9.DAP MAP DKP MKP DCP TCP MCP To know more about us, please visit our homepage www.gzqllhg.com If you have any questions, please feel free to contact me, thank you! Waiting for your early reply! Best regards andy Guizhou Qian-lin Phosphoric industry Co., LTD 21 floor B1 Building Qilong CBD, Guanshan Lake District, Guiyang, Guizhou, 550018 China Tel: +86-851-4827262 Fax:+ 86-851-4819203 email: