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Wellhead & X-mas tree are important oil and gas exploration equipment, composed by casing head, tubing head, oil(gas) production tree. The main function is to connect casing string, tubing string and seal the annular space between the casing and tubing, and control the wellbore pressure and oil (gas) flow of production well, and it can also be used for fracturing, water injection, testing, and other special operation.Our company has obtained certificates of API 6A, 16A, 16C, ect. We mainly specialze in the wellhead and X-mass tree, ect. With advanced technological equipment and a strong technical strength, our products in accordance with international standard ISO, ANSI and API, national standard GB and other professional standards. Also our products are widely used in oilfield, chemical, shipbuilding, metallurgic and power station, ect., besides, special products can also be provided according to user demand.