Zhishang Steel-Galvanized & PPGI Steel Coil | Stainless & Carbon Steel Supplier

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11 2026-11: Bend Radius and the Coating: Why Galvanised Sheet Cracks at the Fold

A crack along the outside of a fold is usually a radius problem, not a coating problem. How r/t ratios, bend direction, burr and coating mass decide whether gal···

11 2026-11: The Tag on the Coil: Who Writes It, and Why It Has to Match the Paperwork

Every coil leaves our yard with two tags. Here is what each one says, where tags go wrong, and how we match tag, packing list and mill certificate before the co···

10 2026-11: EN 1090, Execution Classes and the CE Mark: What Fabricated Steel Needs Before It Enters Europe

What EN 1090-1 and EN 1090-2 actually require, how execution classes EXC1-EXC4 change the work in the shop, and what buyers should check before paying a deposit···

10 2026-11: A Country We've Never Shipped To: What We Check Before We Quote

How we vet a country we have never shipped to before the quote goes out: port and inland leg, customs paperwork, payment route and sizing the first container.

09 2026-11: SPCC, SPCD, DC03: What the Letters Actually Promise About Forming

What SPCC, SPCD and the DC01-DC06 ladder actually promise about formability, what r-value means for your draw, and how to order forming steel so the sample matc···

09 2026-11: Two Hours on the Floor: What a Buyer Actually Sees When They Visit Us

What a buyer actually sees on a two-hour plant visit: the coil yard, slitting, the coating line, profiling and packing - and why the visit changes the questions···

06 2026-11: Signed Off, Not Guessed: How Steel Structure Acceptance Actually Works

How steel structure acceptance really runs: shop and site inspections, bolt tightening verification, the document pack worth keeping, and how failed items get c···

06 2026-11: Fifteen Minutes Between Shifts: How Your Coil Keeps Its Story Straight

What happens at the board between our day and night crews, and why fifteen minutes of notes is how a coil keeps its story straight from first container to last.

05 2026-11: What's That Mark? Naming the Common Surface Defects on Coil and Sheet

A field guide to naming scratches, dents, scale, pickling stains, storage rust and coating blisters on coil, and how to decide accept or reject.

05 2026-11: The Quote Is Out. Now What? How We Actually Follow Up on a Steel Enquiry

What happens after a steel quote is sent: how we track, time and write follow-ups that get replies, and what we do when the answer is no.

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Zhishang Steel Co., Ltd

Zhishang Steel, specializing in domestic steel products trade, warehousing, processing and other services. The team has four service teams: Shandong Zhishang Steel Co., LTD., Shandong Zhiyiheng Trading Co., LTD., Tai 'an Zhishang Economic and Trade Co., LTD., Shandong Zhishang Steel Structure Co., LTD. Mainly engaged in steel coil, coated, stee···

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Bend Radius and the Coating: Why Galvanised Sheet Cracks at the Fold

The Tag on the Coil: Who Writes It, and Why It Has to Match the Paperwork

EN 1090, Execution Classes and the CE Mark: What Fabricated Steel Needs Before It Enters Europe

A Country We've Never Shipped To: What We Check Before We Quote

SPCC, SPCD, DC03: What the Letters Actually Promise About Forming

Two Hours on the Floor: What a Buyer Actually Sees When They Visit Us

Signed Off, Not Guessed: How Steel Structure Acceptance Actually Works

Fifteen Minutes Between Shifts: How Your Coil Keeps Its Story Straight

What's That Mark? Naming the Common Surface Defects on Coil and Sheet

The Quote Is Out. Now What? How We Actually Follow Up on a Steel Enquiry

Zhishang Steel Co., Ltd