It is made of good quality steel alloy 40 Cr and processed with some special technology, This product is produced by API standard and ISO standard. It is available in 5/8-3/4, 3/4-7/8, 7/8-1, 1-1 1/8 with full size and slim hole.
It is made of good quality steel alloy 40 Cr and processed with some special technology, This product is produced by API standard and ISO standard. It is available in 5/8-3/4, 3/4-7/8, 7/8-1, 1-1 1/8 with full size and slim hole.