tube for ship building GB/T5312-1999 Q320、Q360、Q410、Q460、Q490 DIN 2391-1994
Certificate of LR, GL ,ABS, DNV, RINA, NK, KR CCS/ A,B,C,D
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nsteel (shanghai)co., ltd
contact:mr david wong
Address: Room 1104, Dragon Pearl Complex,2123 Pudong Avenue Shanghai ,200135,P.R.China
Tel: 86-21-68558020 Fax :86-21-68558030
http: // www.nsteel.net
EMAIL: nsteelco_sh@126.com