1)Type: high, the medium and the low pressure of the fittings, such as elbows, tees, reducers,  caps, bents.
2) Size: we can also produce other specifications according to customers' requirements
DN15-DN1200 (1/2"-88")
3) Wall thickness: SGP, STD, SCH40, SCH80, SCH160 Standards or as per customers' drawings or samples.
4) Standard: ASME/A D, NSI B16.9, GB/T12459, GB/T13401, SH3408, SH3409, HG/T21635, HG/T21631, MSS SP-43, DIN 2605, JIS B2313