Qingdao Jero Steel Co., Ltd.
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Shandong Factory Galvanized GI Steel Coils Regular Spangle Steel Product
GI coil, dipping a sheet of steel into a molten zinc bath so that it adheres to a sheet of zinc on its
surface. The main use of continuous galvanizing process production, that is, into a roll of steel plate
continuous dip in the melting of zinc plating tank made of galvanized steel plate.
3 Kinds Different Product Surface
1 Zero Spangle: smooth and uniform, without visible zinc crystallization patterns.
2 Electro-galvanize: smooth, bright, and uniform, with a fine metallic luster and no visible spangles.
3 Regular Spangle: visible zinc crystal patterns with a slightly textured metallic appearance.
distinct, visible zinc crystal patterns with a textured metallic appearance.
Our Company
♦ We have implemented standardized processes to enhance work efficiency, reduce confusion,
minimize errors, and boost overall productivity.
♦ A comfortable and well-lit work environment, combined with a reasonably arranged office layout,
fosters a positive work attitude, healthy interpersonal relationships, and sustained team growth
motivation, while enhancing team cohesion and a sense of belonging.
♦ The left 1 is me, we sincerely look forward to the cooperation with you.
Our Factory
1) Company philosophy : “Making friends sincerely and developing with reputation” The quality
decides the market,and the attitude decides the development”.
2) 40 professionals and technical personnels, 60 domestic and international trade personnels.
2 industry-leading Gl production lines, 5 PPGI production lines, 1 pattern PPGI production
line, 2 GL production line.
3) We follow strict quality control and aim for perfection in every process. Our goal is to be responsible
to our products and customers by supplying the best quality product.
Quality Control
Our company introduced testing equipment,for product testing,raw materials,semi-finished products,
finished products.
♦ Mechanical Properties Testing
Room-temperature and high-temperature mechanical tests, Brinell hardness, HRC hardness,
Vickers hardness, micro-hardness, expansion, flattening, cupping, bending, compression.
♦ Metallurgical & Corrosion Analysis
Macrostructure analysis, fracture detection, conductivity/resistance, density, grain size, hydrogen
embrittlement, residual stress, dezincification corrosion, salt spray, annealing.
♦ Dimensional & Surface Measurement
Surface roughness, burr angle, radius, inner and outer diameter measurement.
Ocean Shipping
1) We use cushioning materials between the coil and wall, and tighten everything
with specialized lashing straps.
2) We place non-slip wooden blocks under each coil to prevent any movement during the shipping.
3) It has the waterproof layer inside the package, we also put many desiccants in the container,
to protect the cargo from moisture.
l Galvanized Carbon Steel Coils
| Product Name | Galvanized Steel Coil |
| Application | Roofing Sheet, Rolling Shutter |
| Width | 20mm-1250mm |
| Length | Coil |
| Type | Hot Dipped Galvanized Steel |
| Surface | Galvanized Coated |
| Zinc Coating | 30-275g/m2 |
| Material | SGCC DX51D SGCH G550 |
| Shape | Plate. Coil |
| Certificate | ISO 9001:2008/SGS/BV |
| Thickness | 0.12-3.0mm |
OVERVIEW OF HOT DIPPED GALVANIZED STEEL COIL
Hot dipped galvanizing coated steel with zinc to prevent rust. After acid washing and passing
through a zinc bath, the sheet becomes hot-dipped galvanized steel coil (GI), which offers excellent
corrosion resistance, easy painting, and good workability. This product is widely used for many
industries. As a supplier in China, JERO provides high-quality galvanized steel coils at competitive
prices.