Shaoxing County Smartech Machinery Manufacturing Co., Ltd. [China]

1: widely used in construction project 2: with long-term service life 3: strong enough

Decking sheet, produced by YG series decking roll forming machine.

It's now popular for pre-engineering steel structure buidlings.

Normally it's thinkness is 0.8-1.2mm and it's raw material is galvanized steel sheet. 

Machine Photo for Making such decking sheet:

Deck Floor Sheet