seamless pipe
38X12X5900/5400/3270/4800MM
36X12X5900/5400MM
36X10X4320/4440//4780/5170/5400MM
32X7X4200/4320MM
31.8x8.8x4570MM
GB/T 8162, 20#, 45#
36X12X5900/5400MM
36X10X4320/4440//4780/5170/5400MM
32X7X4200/4320MM
31.8x8.8x4570MM
GB/T 8162, 20#, 45#
Main Products
fastener, seamless steel pipe, activated carbon