Specifications

Corporation Introduction:

   Shandong Longfa is a logistics, new building materials, galvanized steel processing, plastics machinery research and development as one group of the large-scale private enterprises.It has two production lines of ppgi/ppgl coils, one roduction line of gi coil and more than six lines of Sandwich Board.

   About 20%of our steel output is to export. Our company operates to the stringent ISO 9001 and ISO 14001 quality standards and is committed to being a first-class coated steelmaker.

   Here mainly manufacture all kinds of prepainted galvanized steel coils (ppgi coils), wood pattern ppgi ,stone coated steel ,hot dipped galvanized steel coils (gi coil), galvalume steel coil (gl coil),  galvanized corrugated sheet ,colored corrugated metal roofing sheet ,roof tile, sandwish panels, and so on.

   We can supply you the products you need with most competitive price and high quality.

   Special size and standard can also be accepted.

   Welcome to contact me at any time for any possible questions. I'm always on line at your service.

Remarks:

   Hot-dip galvanizing is a form of galvanization. It is the process of coating iron, steel, or aluminum with a thin zinc layer, by passing the metal through a molten bath of zinc at a temperature of around 860 °F (460 °C). When exposed to the atmosphere, the pure zinc (Zn) reacts with oxygen (O₂) to form zinc oxide (ZnO), which further reacts with carbon dioxide (CO₂) to form zinc carbonate (ZnCO₃), a usually dull grey, fairly strong material that stops further corrosion in many circumstances, protecting the steel below from the elements.

   Galvanized steel is widely used in applications where rust resistance is needed, and can be identified by the crystallization patterning on the surface (often called a “spangle”).

   Galvanized steel has gone through a chemical process to keep it from corroding. The steel gets coated in layers of zinc because rust won't attack this protective metal. For countless outdoor, marine, or industrial applications, galvanized steel is an essential fabrication component.

Producing process:

Application:  

1. prepainted galvanized steel coils (ppgi coils)

2. galvanized corrugated sheet,colored corrugated metal roofing sheet ,roof tile, sandwish panels

Certificate :