Our company can provide American standard:
ANSI B16.5/API605, 6A, 6B/MSS SP44/AWWA C207, British standard:
BS4504 PN16/PN40, BS10 TABLE E/TABLE D, Japan standard: JIS/KS 5K,
10K, 16K, 20K, 30K,
standard: GOST12820, 12821 and many GB standard flanges.
A variety of standard sizes from 1 / 2 " to 200"and the unit weight
of product can be provided from 0.4 kilograms to 20, 000 kilograms.
Surface treatment methods are: On the anti-rust oil, spray paint
(black paint, yellow paint), galvanized (hot dip, cold), spray,
Packing methods are wooden boxes, trays and so on.