drilling fluids                                                                                                                                                      Dongying Mingde provides quality drilling fluid materials and experienced engineering for oilfield drilling operations  from water base mud to oil base and synthetic mud. We have products like non-fluorescence anti-sloughing filtrate reducer, stiff foam special treatment additives, deformer, low fluorescence blocking anti-sloughing agent, solid lubricant, high-temperature and compound salt-resistance filtrate reducer, etc. Pls contact us for more information