Very Glad to introduce us here and we are the Manufactuere of oil drilling fluids chemicals as below with more than 20 years in China. 1.Sodium Carboxymethylcellulose (CMC)2.Carboxyl Methyl Starch (CMS3.Poly Anionic Cellulose (PAC)4.Sulfonated Asphalt,5. Polyacrylamide (PAM)6.Xanthan Gum,7.Sodium Lignosulphonate8.Fe-Cr-lignosulfonate(FCLF),9.One-way pressure sealant for drilling fluids(F-Seal)10.Zinc Oxide11.Zinc Carbonate 12.Vegetable Gum,13.Aluminium Polychlorid(PAC)14.Sodium Gluconate15.sodium chloride16.sodium carbonate17.bentonite Free samples would be sent on receipt your kind requirments. we have exported our products to many countries and districts with good quality and very competitive prices.Sincerely hope we can have the opportunity to be your partner!For more information please don't hesitate to contact us at any time!Looking forward to your response ASAP!Best wishes,Ms Lily Wang Shijiazhuang Taixu Biology Technology Co.,LtdEmail address: superchem6s(AT)taixubio-tech.com Website:http://www.taixu-oilwellchem.comTel:+86-0311-89877659Fax:+86-0311-87826965