6-Speed Viscometer for Drilling Fluids Testing Huangdao Senweida Co., Ltd. Base Info Model NO.:ZNN-D6After-sales Service:YesWarranty:3 YearsTrademark:senxinTransport Package:PlasticSpecification:500*400*280Origin:ChinaHS Code:9031809090 Description Pre:External Heating Hpht Filter Press Next:Aging Cells for Roller Oven