Tel：+86 025-84532096 +86 025-84532019+86 025-84532046
Email：marine@sumec.com.cnlijb@sumec.com.cnliyancb@sumec.com.cn
Address：21F Sumec Building, 198 Changjiang RD. Nanjing, P.R.China 210018
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Tel：+86 025-84532096 +86 025-84532019+86 025-84532046
Email：marine@sumec.com.cnlijb@sumec.com.cnliyancb@sumec.com.cn
Address：21F Sumec Building, 198 Changjiang RD. Nanjing, P.R.China 210018
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