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2022-11-22 [Certificates] JQA 證書
2022-11-22 [Download Area] JQA 證書
2022-11-14 [News & Events] HYST Project Won The Second Prize of 2022 Metallurgical Science and Technology Award
2022-09-28 [Download Area] API Q1 Certificate
2022-09-28 [Certificates] API Q1 Certificate
2022-09-28 [Certificates] API 5DP Certificate
2022-09-28 [Certificates] API 5L Certificate
2022-09-28 [Certificates] API 5CT Certificate
2022-08-04 [Certificates] Lloyd Certificate for Billets of Carbon-Manganese & Alloy Steel Pipes
2022-08-04 [Certificates] Lloyd Certificate for Carbon-Manganese & Alloy Steel Pipes
2022-07-21 [News & Events] HYST Product Serves CNPC’s First 9000m+ Deep Well
2022-06-24 [News & Events] HYST Awarded A-class Excellent Supplier by Dongfang Boiler
2022-06-09 [Certificates] DNV Certificate for Carbon-Manganese & Alloy Steel Pipes
2022-04-14 [News & Events] HYST’s Two Products Awarded Golden Cup Quality Product
2022-03-23 [Certificates] CCS Certificate for Carbon-Manganese Pressure Pipes
2022-03-21 [Certificates] KR Certificate for Structural Steel Pipes
2022-03-17 [News & Events] HYST Casing Successfully Applied in China’s Deepest Designed Gas Well Onshore
2022-03-02 [News & Events] HYST Line Pipe Applied in Beijing Winter Olympics Service Pipeline
2022-01-19 [Certificates] ABS Certificate for Structural Pipes
2022-01-06 [Download Area] RS Certificate

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Sales Head Office：+0086 734 8875516 E-mail: hysteel@hysteeltube.com

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