Tianjin Haigang Steel Coil

Service first, quality assured. More dedicated and focused on crafting even better boards.

Industry Technology

2023

Haigang Steel Coil and Haigang Cloud Wing wish all our new and existing customers a happy New Year!

All employees of Haigang Steel Coil and HaiGang YunYi wish our new and existing customers a happy New Year!

Galvanized strip steel

As we usher in the New Year, we’d like to extend our warmest congratulations to HaiGang YunYi New Materials Co., Ltd. on the official launch of its new product—the “Flowerless Bright-Surface Galvanized Coil”!

Bright-galvanized coil sheet without flowers

Galvanized Coil with Glossy Finish—Main Specification Parameters

Thickness/thickness (mm)	0.13–0.85
Width/Width (mm)	750~1250
Zinc Coating Weight / Coating Weight (g/m²) ² )	Z50G~Z220G
Steel coil inner diameter / Inner diameter (mm)	508/610
Surface structure/mm	————
Surface treatment/mm	Environmental chromated Regular chromated

Bright, Uncoated Galvanized Steel Coil – Main Mechanical Properties

Yield Strength	195–500 MPa
Tensile Strength	315–600 MPa
Elongation	≥10%

Haigang Steel Coil, Haigang Cloud Wing, Galvanized Strip Steel, Bright Unpatterned Galvanized Coils

Good news: Tianjin Haigang has been ranked No. 7 on Tianjin’s “Top 100 Strategic Emerging Industries” list and No. 95 on the “Top 100 in Sales Revenue” list!

Thoroughly study, deeply grasp, and earnestly implement the spirit of the 20th National Congress of the Party | From manufacturing to quality manufacturing to intelligent manufacturing—unleashing new momentum for enterprise development.

Good news: Tianjin Haigang has been ranked No. 7 on Tianjin’s “Top 100 Strategic Emerging Industries” list and No. 95 on the “Top 100 in Sales Revenue” list!

Haigang Steel Coil and HaiGang YunYi wish you all a happy new year!

2026-02-16

Haigang Steel Coil and Haigang Cloud Wing warmly congratulate our motherland on its 76th birthday!

2025-10-01

Tianjin Haigang Steel Coil Co., Ltd. has been awarded the "AAA-Level Well-Known Trademark Brand" certification!

2025-05-14

Warmly congratulate Tianjin Haigang Steel Coil Co., Ltd. on being ranked 91st among the Top 100 Private Enterprises in Tianjin for 2024 in terms of operating revenue!

2024-11-21

Good news: Tianjin Haigang Steel Coil Co., Ltd. has been ranked 10th on the "Top 100 Strategic Emerging Industries" list of Tianjin City!

2024-11-21

We primarily produce various products including galvanized strip steel, pickled strip steel, and cold-rolled strip steel. These products are widely used in industries such as construction, mechanical manufacturing, automotive, and household appliances.

Contact Information

Company address:

Shuangtang High-end Hardware Products Industrial Park, Jinghai District, Tianjin City

Contact phone number:

(86-22) 68778999/ 68508999

Corporate email:
tjhaigang@tjhaigang.com

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