Galvanized Steel for Industrial Construction Supplier

Zhonghe Building Materials Co., Ltd.
Verified Custom manufacturer 3yrs CN CN

Ratings & Reviews

5.0
Very satisfied
Based on 8 reviews for verified purchases
Supplier service
5.0
On-time shipment
5.0
Supplier service
5.0
2025-01-21
Initial documentation gap resolved — material quality is solid
First order of 18 tonnes EN 10346 S280GD, 1.8 mm, Z275 coating for bridge walkway components in Dubai. The steel itself performed well — coating weight and tensile strength both within spec. However, the initial shipment was missing the third-party inspection certificate we had agreed upon, which caused a two-day hold at customs. After raising the issue, the supplier provided the correct documentation within 24 hours and followed up to ensure clearance. Problem was resolved professionally. Material is now installed and performing as expected. Would order again with clearer pre-shipment document checklist.
2025-02-14
Competitive pricing on ASTM A653 Grade 80 — minor packaging note
Ordered 20 tonnes of ASTM A653 SS Grade 80, 2.5 mm, Z350 coating for structural brackets in a power generation facility in Texas. Mechanical properties tested well — yield strength at 583 MPa, tensile at 621 MPa. Pricing was genuinely competitive for this high-strength grade. One coil arrived with minor edge damage from strapping — not a coating or material issue, purely packaging. Supplier arranged a partial credit promptly. Overall the material performance is excellent and we'd order again. Packaging improvement would move this to 5 stars.
2025-03-08
Good value on EN 10346 DX51D for non-structural cladding
Purchased 15 tonnes of EN 10346 DX51D, 0.6 mm, Z100 coating for internal cladding panels across several light industrial units. Pricing came in 8% below our previous UK distributor for equivalent spec. Quality was fine — surface finish was smooth and consistent, suitable for visible interior applications. Delivery took 28 days, slightly longer than quoted 21 days, though the team communicated the delay proactively. Mill test reports were clean. Would rate 5 stars if lead time reliability improves, but overall a strong commercial outcome for this project.
2025-03-30
Third repeat order — quality and lead time remain strong
This is our third order totalling over 90 tonnes of ASTM A653 SS Grade 33, Z275, in mixed thicknesses from 0.5 mm to 2.0 mm. Used primarily for roofing systems and wall cladding on warehouse projects across Queensland. Each shipment has arrived within the quoted 20–25 day window to Brisbane port. Coating adhesion tests pass consistently. Free samples before first order helped us validate quality before committing to volume. Customer service responds within a few hours despite time zone difference. No hesitation recommending.
2025-04-21
High-strength S550GD met demanding load calculations
We specified EN 10346 S550GD, 3.0 mm, Z600 coating for load-bearing purlins in a large logistics hall near Dortmund. Yield strength confirmed at 562 MPa on arrival testing. The Z600 coating is critical given the building's proximity to an industrial chemical zone. Dimensional tolerances on coil width (1,250 mm) were within 0 to +2 mm — acceptable for our press-brake setup. Lead time was 26 days from order confirmation. Documentation package was complete and DIN-compliant. Solid supplier for structural-grade material.
2025-05-23
Reliable JIS G3302 SGCC stock for petrochemical project
Sourced JIS G3302 SGCC coils, 1.2 mm, Z450 coating, for cable tray fabrication at a petrochemical facility in Gujarat. The high-humidity environment demands consistent zinc coverage, and spot checks confirmed coating weight averaging 465 g/m² — above the specified minimum. 25 tonnes delivered in two shipments, both on schedule. Pricing was competitive against local distributors for this volume. Technical datasheet provided in English and included all mechanical properties. Already placed a follow-up order for the next project phase.
2025-06-14
Excellent technical support on EN 10346 grade selection
Our project required EN 10346 S350GD with Z350 coating for coastal warehouse cladding panels in Cornwall. The technical team helped us select the right grade and confirmed elongation values of 16%, suitable for our roll-forming line. Thickness tolerance on 0.8 mm sheets was within ±0.05 mm. Delivery to Felixstowe port took 22 days. Mill certificates were provided upfront without chasing. Genuinely impressed by the level of pre-order consultation — rare for a steel supplier at this volume.
2025-06-29
Consistent Z275 coating quality across 40-tonne order
Ordered 40 tonnes of ASTM A653 SS Grade 50 in 1.5 mm thickness, Z275 coating, for a manufacturing plant structural framework. Mill test reports were accurate and third-party inspection confirmed coating weight within spec. Coils arrived within 18 days to our Houston facility. Tensile strength tested at 448 MPa — exactly what our engineers required. This is our second large purchase and quality has been consistent. Will continue sourcing here for upcoming Phase 2 expansion.

Know your supplier

Zhonghe Building Materials Co., Ltd.

Manufacturer, Trading Company · 3 yrs on Sinoali.com

Located in China

Company overview

Year Established
2010
On-time delivery rate
100.0%
Online revenue
100.0%
Plant Area
>=2000m²
number of employees
80
Response Time
<=4h
FAQ

FAQ

Q: What is the zinc coating weight of your galvanized steel?
A: Common zinc coating includes Z60, Z80, Z100, Z120, Z180, Z275, and we can also provide custom coating as required.
Q: What types of galvanized steel do you supply for construction?
A: We supply galvanized steel coils, sheets, strips, pipes, tubes, angles, channels and perforated steel for building applications.
Q: What is the difference between GI and PPGI?
A: GI is hot-dip galvanized steel without color coating; PPGI is pre-painted galvanized steel with color coating for better appearance and corrosion resistance.
Q: Do you offer customized sizes and lengths?
A: Yes, we support customized thickness, width, length and can provide cutting, bending and punching services.
Q: How do you package galvanized steel to prevent rust during shipment?
A: Products are packed with waterproof film, kraft paper and steel strips, suitable for long ocean transportation.
Q: Can you provide mill test certificates (MTC) for galvanized steel?
A: Yes, we provide original MTC for each batch to ensure material composition, coating weight and mechanical properties.

Product display

Zhonghe Building Materials Co., Ltd. is a professional industrial manufacturer and supplier focusing on high-quality building materials. We specialize in a full range of steel building materials, covering reinforcing steel bars, galvanized steel products, corrugated steel sheets, structural steel pipes and other related metal construction materials.
 
Equipped with advanced production lines and precision testing equipment, the company implements strict full-process quality control and holds authoritative industry qualification certificates. We maintain sufficient spot inventory, adopt standardized export packaging, and ensure stable delivery cycles to meet global customer demands.
 
Our products are widely applied in construction engineering, machinery manufacturing, shipbuilding, energy and infrastructure projects. Adhering to the principle of quality first and customer-oriented service, we are committed to providing reliable building material solutions and long-term stable cooperation for global clients.
Customizable
Same product at rock bottom price
680$ 1-49ton Base price
650$ 50-99ton 4.4% discount
635$ ≥100ton 6.6% discount
Price validity period: Prices subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity
Minimum order quantity: 1 ton
Shipping total: To be negotiated
Subtotal of Goods: US$ 680
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Mail
Mail
[email protected]
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Phone
Phone
+86 133 7058 6666
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Whatsapp
Whatsapp
+86 133 7058 6666
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