316L 不锈钢 长导套管 对焊 短接管 VCR 焊管 -VCR-3S BA EP

VR-S–05[BA], VR-S-06[BA], VR-S-08[BA], VR-S-10[BA], VR-SG-04[BA], VR-SG-06[BA], VR-SG-08[BA], VR-S-05[EP], VR-S-06[EP], VR-S-08[EP], VR-S-10[EP], VR-SG-04[EP], VR-SG-06[EP], VR-SG-08[EP]