Application:
Conveying gas,water,and oil in both the oil and natural industries
Tubular goods for petroleum and natural gas industries
Production Standard, Grade, Steel No:API 5L PSL1 L175/A25, L210/A, L245/B, L290/X42, L320/X46,L360/X52, L485/X70
PSL2 L245R/BR, L290N/X42N, ...
Products: vanguard aluminum case,
case classic knives