DX51D Zero Spangle Z100g Passivation Galvanized Steel Coil No Spangle Gi Coil

Galvanized steel coils are a vital component in various industries due to their exceptional

corrosion resistance and durability.

High performance, thick zinc layer, zero zinc galvanized sheet, and equipped with electrostatic

coating, polishing roller and other advanced technology, it is the first choice for high-grade

building materials and home appliances.

regular spangle Vs. zero spangle

For zero spangle galvanized steel product, the appearance is smooth and silvery white without

zincoma or burr. Actually, the surface is much more beautiful, but I can just show a small size

photo here, if you need a sample, please contact us.

the Capacity of our production Line ( for zero spangle product)

3 different forms of Galvanized Steel Material

We export the Galvanized steel material with 3 different forms: Coil, Strip, Plate.

(over 600mm width, we call it "coil", less than 600 width, it is "strip".)

applications of Galvanized steel material

They are mainly used for building roof door; window, roller shutter door and lightgage

steel joist For automobile industry,vehicle shell, chassis, trunk lid, oil tank, and fender;

metallurgy steel sash back, and electric equipment, such as refrigerator base and shell,

and kitchen equipment, color coated steel baseplate etc.

Quality Control

The company introduced testing equipment for product testing,

including raw materials, semi-finished products, finished products,

and we refuse any unqualified product.

detection of specific items

♦ Metal material mechanical property test at room temperature and high temperature

♦ Brinell hardness test, HRC hardness, Vickers hardness

♦ Expanding, squash, cupping test, bending test,compression test

♦ Metal material in the high,macrostructure analysis, conductivity / resistance

♦ Grain size analysis,hydrogen embrittlement test,residual stress test,dezincification corrosion test

Qingdao Jero steel company is a professional raw material integrated supplier, located in the beautiful costal city, Qingdao,

mainly product is steel material and Aluminum alloy sheet/coil.

We own a very comfortable work environment, and humanized management system, we hope that a job can not only bring

salary, ability, friendship, experience, but also bring happiness, passion, and the sense of achievement.

• We guarantee the product quality by our inspection team, professional equipment, that is the key point for getting a stable

 and sustainable development.

• We have strictly constraint for every step, such as production, package, inspection, delivery etc.

• Besides, we have excellent sales team, each member have over 4 years raw material export experience, they can judge the

 market changes to a certain extent and provide some reasonable advice for customers.

A stable customer can bring us good reputation and constantly economic benefit. For the past years, relying on a perfect quality

management system and a rigorous service attitude, we get a trusted brand image in the minds of customers.