About us: TOP TRADING is an expert which specializes in providing oil field used chemicals for all kinds of customers,TOP has been offering high quality goods to our customers with efficient logistic system for years. As a professional exporter, Top Trading serves foreign oil and gas clients with good quality products and best service. TOP products include: Ceramic Proppant, Calcium Chloride Powder/Granules/Flakes, Sodium Bromide Liquid/Solid, Calcium Bromide Liquid/Solid, Zinc Bromide ...