Qingdao Unionchem Co., Ltd. is a Chinese company that produces and sells xanthan gum for oilfield applications. Their oilfield grade xanthan gum develops significant viscosity at low shear rates, providing suspension of weighting materials in drilling and completion fluids. It also works as an excellent suspension agent to prevent particle settling and protect machinery. They offer both dispersible and non-dispersible grades of xanthan gum that meet API13A standards for high performance and yield.