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Saudi customers order large diameter pipe fittings
Display of pipeline products ordered by Saudi customers
What matters needing attention when large diameter straight seam steel pipe installation?
Structure of metal bellows
What aspects should be considered in the design of petrochemical pipelines?
Shipping pipe fittings for Bulgarian customer
CNOOC and Zhenhua Oil signed a general drilling contract in Iraq
Technical requirements for flanges of natural gas processing FPSO
Haihao participates in the supply of the world’s largest natural gas processing FPSO
Celebrate the 40th anniversary of Haihao Group
Delivery of steel pipes from Dutch customers
What are the quality inspections of seamless steel pipes?
Characteristics of deep sea pipeline steel pipe
Difference between oil pipeline and natural gas pipeline
Looking back at 2022, gathering strength, looking forward to 2023, forge ahead !
Shipping piping products for Qatar customers
Alternative method of hydrostatic test
The situation that industrial pipelines cannot be subjected to hydrostatic testing
Customers purchase H-beam steel
New opportunities – Mozambique customers
Orders for swage forgings made of A182 F53
2022 China Marine Economy Expo opens in Shenzhen
Haihao Group Brings Piping Products to the 2022 China Marine Economy Expo
Shipping for UAE customers
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