Seamless Carbon Steel Tubes, Alloy Tubes manufacturer / supplier in China, offering Heat Resistant J55 Material Water-Well Oil and Gas HS125t/HS125tt Steel Grade HS140t/HS140tt Seamless Steel HS150t/HS150tt Exploration Oil Casing Pipe, Cold Rolled HS95t/HS95tt Ms Alloy Large Diameter Thick Wall HS110t/HS110tt Smooth Surface for Petroleum Geological Sch40 Sch80 Exploration Oil Casing Pipe, Hot Rolled Round Standard HK35-2019 Steel Grade HS80t/HS80tt HS90t/HS90tt Carbon Steel Seamless HS Series Anti-Collapse Oil Casing Pipe and so on.
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