BJ Services Company was a leading worldwide provider of pressure pumping and for the . Pressure pumping services consist of cementing and services used in the of new oil and natural gas wells and in remedial work on existing wells, both onshore and offshore. Oilfield services include completion tools, completion fluids, casing and tubular services, production chemical services, and precommissioning, maintenanc.
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SolarWorld is a German dedicated to the manufacture and marketing of products worldwide by integrating all components of the solar value chain, from feedstock () to production, from trade with to the promotion and construction of . The group controls the development of solar power technologies at all levels in-ho.
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