ZHAOLONG LONGTRONIC marine network communication cables are certified by ABS, DNV, CCS, and feature halogen free, low smoke, flame retardant and oil resistant (SHF2). The materials meet IEC60092-360, IEC 60332-3-22.
The certified products cover marine ethernet cable CAT5E, CAT6, CAT6A, CAT7, CAT7A,(S/FTP, SF/UTP, U/FTP, Armored)and bus cable includes CANBUS, PROFIBUS DP, and RS-485 cables.
LONGTRONIC is a marine network communication cable brand of Zhejiang Zhaolong Interconnect Technology Co.,Ltd, which is a high-tech enterprise, data cable international standard drafter and also a member of China Communication Standard Association.
ZHAOLONG is able to test more than 90+ experimental items, of which 50+ factory labs are accredited by CNAS. With 100+ personnel of R & D team, ZHAOLONG is the leader of network communication industry in China.
LONGTRONIC marine network communicaiton cables are type approved by the ABS, DNV, and CCS classification societies. Worthy of your trust.
Our payment options include T/T, L/C or O/A. All products are inspected by us or a third party. We guarantee a full refund to clients if marine cables are not approved.
Our sales team respond to inquiries within 12 hours during the working time and 24 hours in closing time.Feel free to contact us anytime for urgent issues.
We have a wide stock of 3 core marine cable & shipboard cable. The delivery time can be in 5 days for stock cables and 15-30 days for custom-made marine cables.



Grand Ocean is the Authorized Distributor of ZHAOLONG LONGTRONIC Marine Network Cables