Main Type of Internal Coating: 

Dual-component Drag-Reduction Internal Coating
Diameter: 406-1422mm(8.6-56in)
Wall Thickness: 6.4~60mm(0.25-2.36in)
Length: 8-13m

Standards:

API RP 5L2
Q/SY XQ10-2003
Q/SY XQ11-2003
Q/SY JS0033-2003
Q/SY JS0034-2003
SY/T0457-2000

Q/SY GJX 0107-2007