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Mining and oil and gas services - page 20 - ECeurope Market
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Casing CentralizingWell drilling and construction services - Puyang Zhongshi Group Co.,Ltd - China - April 28, 2016 - 3.00 Dollar US$Non-welded, pressed by punching, high strength. Starting force and restoring force exceed API 10D specifications. Hinged design allows convenient field installation. Can be unfolded and stacked faltly, saving storage and transportation cost. Improves...