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2018-12-05
[
Products & Services
]
OCTG
2018-12-05
[
Products & Services
]
Premium Connection
2018-12-11
[
Products & Services
]
Pressure Vessel Pipe
2018-12-11
[
Products & Services
]
Mechanical Processing Pipe
2022-11-29
[
Certificates
]
BV Certificate for Gr.6 & Gr.8 Steel Pipes
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
2022-08-10
[
Certificates
]
Occupational Health and Safety Management System Certificate
2022-08-10
[
Certificates
]
Environmental Management System 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
Total
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Address:Dalixincun 10, Zhengxiang District, Hengyang City, Hunan Province, PRC
Contact Person: Miss Li
Sales Head Office:+0086 734 8872772 E-mail: sales@hysteeltube.com.cn
被6个男人灌了一夜精子