Useful links:

1- Asociatcion Espanola de normalization y certification ( AENOR )
2- Association francaise de normalization ( AENOR )
3- American National Standards instate ( ANSI )
4- American society for testing & materials ( ASTM )
5- Canadian standards association (CSA )
6- Deutsches institute for normung e.v ( DIN )
7- International organization for standardization ( ISO )
8- Istituto italiano dei plastici ( IIP )
9- Kiwa
10- National Sanitation foundation ( NSF )
11- Oesterreichischer verband gas&wasser
12- TUV
13- Water regulations advisory scheme ( WRAS ) .

Other imported products:

we also import :

1- pvc sheet grey color from 3 mm to 30 mm 1*2mt
2- Telflon tap 5mt, 10mt, 15mt ,20mt .