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2022-01-19 [Certificates] ABS Certificate for Structural Pipes
2022-01-06 [Download Area] RS Certificate
2022-01-06 [Certificates] RS Certificate for Gas Cylinder Pipes
2021-10-28 [News & Events] "Flood Dragon" of HYST is Discovered in Oil and Gas Field of 100 Million Tons
2021-05-19 [News & Events] New Giant Machine of Wind Power Hoisting Launched
2021-03-12 [News & Events] HYST’s Project was Honored the Second Prize of Scientific and Technological Advance Award of Hunan
2021-01-19 [News & Events] Crane Boom Pipe Manufactured by HYST Made The List of The First Champion Products Made in Hunan
2020-12-21 [News & Events] HYST Products Applied in "Hualong No.1" World's First Reactor Grid-connected Power Generation
2020-10-28 [News & Events] HYST Successfully Developed SCR——The Strategic Product for Deep-sea Use Realized Localization
2020-08-26 [News & Events] HYST's R & D Projects Won the Metallurgical Scientific and Technological Prize of Hunan Province
2020-06-19 [News & Events] Giant Arm! HYSTManufacturing Supports China's Hoisting "Giant"
2020-06-19 [News & Events] A Tribute to CPPCC and NPC Sessions! Submarine Line Pipe Made in China Marked Application at the Dep
2020-05-27 [News & Events] Valin HYST Is Listed On The Brand List of China's Steel and Iron Industry In 2020
2020-05-15 [News & Events] Marine Engineering Pipe Developed by HYST Set Out on Expedition to Mexico Gulf
2020-05-15 [News & Events] Invention Patent of HYST Won Provincial-level Award
2020-04-28 [News & Events] Ultra-deep Exploration!HYST Brand Reappear in Hundred Million Tons of Oil and Gas Field
2020-04-28 [News & Events] Successfully Running! The “First Show” of HYST Quick Connection Casing in Tarim Was Praised
2020-04-21 [首頁] ISO9001 Certificate
2020-02-17 [News & Events] The Third Generation of Premium Connection of HYST Became A “New Star” of High-end Market of Tubing
2020-02-17 [News & Events] A Technology Project was Awarded the Second Prize of Technology Invention Award of Hunan Province

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