Headquartered in China's energy hub Dongying City, SWEA is a professional and highly reliable chemical company specializing in toll manufacturing and supplying high quality and cost-effective oilfield and industrial chemicals and equipment for the global market. With its extensive experience in oilfield services and international supply chain management, SWEA has consistently offered China's premium chemicals, equipment and technology to customers in North America, South America, the Middle-East, Africa and Russian. Our strategic customers include Brenntag, Halliburton, Univar, Baker Hughes, SinoPec, and Petro-China etc... SWEA customizes specialty chemicals for oilfield fracking, drilling, production, pipeline transmission and water treatment. SWEA prides itself in quality consistency, cost-effectiveness and fast delivery. Through a strategic relationship with world-class R&D teams from Petro-China and Chinese Academy of Sciences, SWEA excels at developing technology-added specialty..