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Our flagship plastic cable glands are purpose-built for marine and offshore environments — combining IP68 waterproofing, UL certification, and superior corrosion resistance to ensure safe, reliable cable entry in the harshest conditions at sea.
Marine and offshore environments present some of the most demanding conditions for electrical infrastructure — relentless saltwater exposure, extreme pressure differentials, vibration, and wide temperature swings. Plastic cable glands engineered specifically for these environments are not merely accessories; they are mission-critical components that protect lives, assets, and operational continuity.
Rated IP68 for continuous submersion beyond 1 metre, our marine cable glands create an absolute barrier against seawater ingress, protecting sensitive electrical systems aboard ships, submarines, and subsea installations from catastrophic failure.
Formulated from high-grade nylon PA66 and glass-fibre-reinforced polymers, these glands resist chloride-induced corrosion, UV degradation, and chemical attack — maintaining structural integrity across decades of offshore service life.
Compliant with UL, CE, RoHS, and IP68 standards, and suitable for applications requiring Lloyd's Register, DNV, and ABS approval. Our products meet the stringent requirements of international maritime authorities and classification societies.
The global marine cable gland market is undergoing rapid transformation, driven by the expansion of offshore energy, smart shipping technologies, and tightening international safety regulations. Understanding these trends is essential for procurement engineers, naval architects, and offshore project managers.
The global offshore wind capacity is projected to exceed 370 GW by 2032. Each offshore wind turbine foundation and inter-array cable junction demands hundreds of high-performance cable glands. Plastic glands with IP68 and UV resistance are increasingly specified by EPC contractors for their lightweight advantage over brass alternatives in topside applications.
The rise of autonomous vessels and IoT-integrated ship management systems has dramatically increased the density of sensor cables, data cables, and power cables aboard modern ships. This drives demand for compact, multi-cable plastic glands with superior EMI shielding and watertight performance.
Deepwater oil & gas exploration at depths exceeding 3,000 metres creates extreme pressure requirements for cable penetration systems. Advanced plastic composite glands with reinforced compression seals are now being qualified for ROV systems, subsea control modules, and umbilical termination assemblies.
IMO 2050 decarbonisation targets are accelerating the adoption of LNG propulsion, hybrid-electric drives, and battery-powered ferries. These new power architectures require cable glands rated for high-voltage DC applications, demanding enhanced dielectric properties from next-generation plastic compounds.
SOLAS amendments, IEC 60092 updates, and regional classification society revisions are raising the bar for cable penetration systems. Products must now demonstrate fire-retardant properties (UL94 V-0), halogen-free construction, and extended IP performance under thermal cycling — all areas where advanced plastic formulations excel.
Post-pandemic supply chain disruptions have prompted major shipyards in South Korea, China, Japan, and Europe to dual-source critical components. Chinese manufacturers with ISO9001, IATF16949, and UL certifications — like Hoonsun — are increasingly qualified as tier-1 suppliers for global shipbuilding programmes.
Plastic cable glands serve a diverse spectrum of marine and offshore applications. Below we examine the specific engineering demands of each scenario and how our product range addresses them.
Bulk carriers, container ships, and naval frigates require cable glands at hundreds of bulkhead penetration points. Nylon PA66 glands provide the ideal combination of weight savings, corrosion immunity, and fire-retardant (UL94 V-0) properties demanded by Lloyd's Register and DNV-GL class rules. Split-type plastic glands enable rapid installation during refit without cable re-termination.
Fixed platforms and FPSOs demand cable glands that perform reliably in Zone 1 and Zone 2 hazardous areas. Our ATEX-compatible plastic glands with reinforced sealing elements withstand hydrocarbon atmospheres, H₂S exposure, and the mechanical shock loads generated by drilling operations. IP68 ratings ensure integrity even when temporarily submerged during extreme weather events.
Monopile and jacket foundations for offshore wind turbines experience tidal immersion, biofouling, and cathodic protection system interference. Plastic cable glands with UV-stabilised PA66 construction eliminate the galvanic corrosion that plagues metallic glands in these electrochemically active environments, while delivering the IP68 sealing required at the J-tube cable entry point.
Remotely Operated Vehicles and subsea distribution units operate at pressures exceeding 300 bar. Reinforced plastic composite glands with precision-machined compression bodies maintain watertight integrity under these extreme conditions, providing the cable strain relief and EMI shielding essential for fibre-optic and power cable management in subsea control modules.
High-end yacht construction demands aesthetically refined cable management solutions that meet Lloyd's Register Yachts and MCA LY3 code requirements. Our premium-finish nylon glands in black and grey tones provide the sleek appearance demanded by yacht designers, while delivering the IP68 performance required for deck and hull penetrations exposed to wash-down and spray.
Scientific instruments deployed from research vessels and autonomous underwater vehicles (AUVs) require cable glands with minimal electromagnetic interference and exceptional pressure performance. Plastic glands with non-magnetic properties are specifically preferred for magnetometer and acoustic sensor cable penetrations where metallic components would compromise measurement accuracy.
From the bridge of a naval destroyer to the seabed of an offshore oilfield, Hoonsun plastic cable glands deliver proven performance backed by two decades of marine industry expertise and rigorous quality engineering.
ISO9001, IATF16949, CE, UL, ATEX, RoHS, and IP68 — our comprehensive certification portfolio ensures product acceptance by all major classification societies and regulatory bodies worldwide.
Our 10,000m² smart factory houses CNC machining centres, automated assembly lines, and a full-process quality control laboratory — ensuring dimensional precision and sealing performance on every unit.
With over 30% of staff in R&D and quality management, we deliver custom-engineered cable gland solutions for unique marine applications — from concept to certified prototype in as little as 15 working days.
80 million units annual capacity with proven logistics to shipyards in South Korea, Japan, Europe, and the Americas. We support urgent delivery schedules for vessel refit and new construction programmes.
Our plastic cable glands for marine and offshore equipment are backed by a comprehensive suite of internationally recognised certifications, ensuring compliance with the most demanding global maritime and industrial standards.
A globally recognised leader in industrial connectivity solutions, trusted by shipbuilders, offshore operators, and electrical contractors across six continents.
Founded in 2006, Zhejiang Hongxiang Connector Co., Ltd. is rooted in Yueqing, Zhejiang — a national hub for precision electrical manufacturing in China. After nearly two decades of dedicated development, the company has evolved into a large modern industrial connectivity solutions provider integrating R&D and design, large-scale intelligent manufacturing, global sales, and one-stop services. It stands as a benchmark enterprise of considerable scale and influence in China's cable gland and connector industry, and a key player among national high-tech enterprises.
Boasting a modern intelligent manufacturing industrial park, the company operates a standardized production workshop of over 10,000 square meters, equipped with multiple high-precision automated production lines, CNC machining centers, and a full-process quality control laboratory, establishing an industry-leading large-scale manufacturing system.
With a core team of more than 300 professionals — over 30% of whom are R&D and quality management personnel — its annual production capacity exceeds 80 million units. The company is fully capable of handling large-volume orders, urgent custom projects, and long-term strategic supply partnerships for domestic and international clients.
Its core product portfolio includes metal cable glands, nylon cable glands, waterproof cable glands, explosion-proof connectors, conduit fittings, and various customized connecting accessories. These products serve high-end sectors such as industrial electrical equipment, new energy equipment, rail transit, shipbuilding and heavy industry, construction machinery, military supporting facilities, and communication & industrial control.
10,000m² Smart Factory — Multiple high-precision automated production lines, CNC machining centres, and full-process quality control laboratory.
300+ Professionals — Over 30% dedicated to R&D and quality management, driving continuous innovation in marine cable gland technology.
80 Million Units/Year — Industry-leading production capacity supporting large-volume orders and urgent custom projects for global clients.
100 Patents — Nearly 100 invention and utility model patents continuously driving technological upgrading across the cable gland industry.
Global Certifications — ISO9001, IATF16949, CE, UL, ATEX, RoHS, IP68 — accepted by major classification societies worldwide.
Naval Heritage Since 2011 — Honoured supplier of special waterproof cable glands for China's Aircraft Carrier "Liaoning", setting the benchmark for marine-grade quality.
From a small waterproof brass cable gland workshop in 2006 to a globally recognised marine-grade connectivity solutions provider — two decades of relentless innovation and growth.
The company currently has more than 120 employees, more than 200 production equipment, and is equipped with a professional sales and management team, committed to improving production efficiency and product quality for marine and offshore cable gland solutions.
Explore our full portfolio of IP68-rated, UL-certified cable glands engineered for the complete spectrum of marine vessel and offshore installation requirements — from deck cable entries to subsea junction boxes.
Contact our technical team today for product selection support, custom engineering solutions, and competitive pricing for marine, offshore, and subsea cable management applications.
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