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Offshore Technology Conference (OTC), founded in 1969, is an annual event with the strong support of 12 professional industry organizations, including the American petroleum association, and its scale and influence have been expanding year by year.

From March 11th to 13th, China-UK green manufacturing and remanufacturing industry development summit was held in Hejian City.

Cangzhou Great Drill Bits Co. Ltd.(GREAT) , founded in 2010 . With an open mind, GREAT attracts talents and technologies, drives development through innovation, transformation and upgrading, and becomes stronger and bigger.