ANSI/NSF Standard 60 Certified Well Drilling Aids and Well SealantsOct 6, 2016 . This list is presented in alphabetical order by manufacturer and was compiled . Bentonite used for grout must meet ANSI/NSF Standard 60, or be a .. Chongqing Lihong Fine Chemicals Co., Nan an District Chongqing, China.bentonita fabricante en china,China Major Oilfield Drilling Fluids Manufacturer - HomeWe are the major drilling mud chemicals manufacturer (authenticated suppliers in CNPC & SINOPEC ) in China, who specializes in manufacturing similar.Rheological Additive, Activated Clay, Bentonite Jingyi ChemicalRheological additive, activated clay, bentonite manufacturers and suppliers. . ISO14001:2004 and the China environmental labelling certification through . professional Organoclay Rheological Additive well-known manufacturer in Asia since.
Derechos de autor © 2019 quality . Todos los derechos reservados