| http://www.w3.org/ns/prov#value | - Daryan Arvand Drilling Fluids Company (DAD CO) is Manufacturer and Supplier of Chemicals, (oil well drilling materials such as Caustic Soda, Soda Ash etc), Drilling Equipment (Centrifuge, Cuttings Dryer with flushing system, Mono (feed) pump, Super Clone, Filtration Unit, (Derrick & Mongoose) Screen...
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