Designed to meet the rigorous IP67/IP68 standards demanded by Dutch offshore platforms, port logistics, and renewable energy installations. Explore our most-requested connector series.
The Netherlands is one of Europe's most advanced industrial nations, with a thriving demand for high-performance waterproof cable joints driven by its unique geography, world-class port infrastructure, and ambitious energy transition goals.
As the largest port in Europe, Rotterdam relies heavily on ruggedized waterproof connectors for crane systems, automated guided vehicles (AGVs), and smart dock monitoring equipment that must operate reliably in wet, salt-laden environments.
The Netherlands has committed to generating 70% of its electricity from renewables by 2030. Offshore wind farms in the North Sea — including Hollandse Kust Noord and Borssele — demand IP68-rated waterproof cable joints capable of withstanding saltwater immersion, UV exposure, and extreme pressure cycles.
Holland's iconic flood-protection infrastructure, including the Delta Works and Maeslantkering storm surge barrier, requires continuous electrical monitoring systems with submersible-grade cable connections that function reliably for decades without maintenance.
ProRail and NS (Dutch Railways) operate extensive electrified networks where trackside signal boxes, level-crossing control systems, and EV charging infrastructure along routes demand moisture-proof, vibration-resistant cable joints certified to EN standards.
The Rotterdam–Moerdijk chemical cluster is one of Europe's largest. Plants operated by Shell, BASF, and LyondellBasell require ATEX-compliant, chemically resistant waterproof cable joints for hazardous-area instrumentation and process control wiring.
The Netherlands is the world's second-largest food exporter. Its high-tech greenhouse complexes in Westland and the Greenport clusters use automated irrigation, LED grow-lighting, and sensor networks — all requiring IP65+ waterproof connectors to handle humidity and washdown conditions.
🔑 Key Insight: Dutch procurement managers and engineering contractors increasingly source waterproof cable joints directly from certified Chinese manufacturers, benefiting from competitive pricing, rapid customization, and compliance with IEC/EN international standards — without compromising on quality or delivery lead times.
Several macro trends are accelerating the adoption of advanced waterproof cable joint technology across Dutch industrial and commercial sectors.
The Dutch government's National Climate Agreement and the North Sea Energy Cooperation initiative are driving massive investment in hydrogen infrastructure, offshore electrolyzers, and subsea power cables — all requiring next-generation waterproof connector systems rated for hydrogen-rich and high-pressure environments.
Alliander and Enexis are upgrading the Dutch medium-voltage grid to accommodate distributed solar and wind generation. Simultaneously, the rapid expansion of EV charging networks along Dutch motorways demands weatherproof cable joints that can endure outdoor installation for 25+ years.
Industry 4.0 adoption in the Netherlands is among the highest in Europe. Smart factories and connected warehouses are deploying sensor networks, IoT gateways, and industrial robots — creating strong demand for compact, multi-pin waterproof circular connectors that support data and power in a single housing.
Dutch buyers increasingly prioritize suppliers with ISO 14001 environmental management certification and RoHS-compliant materials. Chinese manufacturers who can demonstrate sustainable production practices and product longevity data are gaining preference in competitive Dutch tenders.
As equipment becomes more compact and is deployed in more extreme environments — from North Sea seabed monitoring to underground urban infrastructure — engineers in the Netherlands are specifying connectors with IP68 or IP69K ratings in smaller form factors, pushing manufacturers toward precision micro-connector technology.
With Rotterdam serving as Europe's primary gateway for Asian goods, Dutch importers benefit from streamlined logistics. The growing number of CE-certified and TÜV-tested Chinese connector manufacturers has made direct procurement from China an increasingly attractive and reliable option for Dutch OEMs and EPC contractors.
From the North Sea seabed to Amsterdam's underground metro tunnels, waterproof cable joints are the invisible backbone of the Netherlands' critical infrastructure.
Array cables and inter-array junction boxes on Dutch offshore wind platforms require IP68 cable joints that resist saltwater corrosion, biofouling, and mechanical stress from wave motion and tidal currents.
Automated stacking cranes (ASCs) and AGV systems at ECT Delta Terminal use waterproof circular connectors for motor drives, encoders, and safety sensors that must operate reliably in rain, spray, and wash-down cleaning cycles.
Tunnel lighting, ventilation control, fire detection, and signaling systems in underground rail environments require IP67 cable joints that can withstand condensation, flooding risk, and decades of maintenance-free operation.
Ground-mounted solar arrays in Flevoland and other Dutch provinces use weatherproof MC4-compatible cable joints for string combiner boxes and inverter connections, requiring UV resistance and IP65 minimum rating.
Automated climate control, drip irrigation, and LED cultivation lighting in Dutch horticultural facilities operate in high-humidity environments where IP65-rated waterproof connectors prevent short circuits and corrosion.
Process instrumentation, motor junction boxes, and hazardous-area lighting in the Botlek and Europoort chemical zones require ATEX Zone 1/2 certified waterproof cable joints with stainless steel or nickel-plated brass shells.
Shandong Longli Electronics Co., Ltd. is recognized as a national-level "Key Little Giant" enterprise — a prestigious designation awarded to companies that are specialized, refined, unique, and innovative in their field.
The company holds the distinction of being a provincial-level Gazelle Enterprise, a Hidden Champion, and a Manufacturing Single Champion in Shandong Province. With R&D centers operating in Linyi, Xi'an, and Jinan, Longli combines deep engineering expertise with scalable manufacturing capability.
Longli possesses comprehensive third-party service capabilities including testing and inspection services, with internationally recognized certifications including CMA and CNAS — ensuring every waterproof cable joint meets the rigorous standards required by Dutch and European buyers.
Learn More About Longli →The company primarily offers seven major categories of products including military connectors, smart grid connectors, new energy vehicle connectors, railway locomotive connectors, mining connectors, petroleum connectors, and marine connectors — encompassing over 130 series and thousands of specifications.
These products are widely used in aviation, aerospace, military electronic equipment, as well as power grids, new energy, railways, telecommunications, petroleum, and coal mining sectors — and are now increasingly specified by Dutch and European engineering contractors.
The company has undertaken more than 60 research projects, including the Torch Program of the Ministry of Science and Technology, provincial major science and technology projects, and provincial key R&D programs. It has received 25 scientific and technological awards, including provincial science and technology awards and provincial SME technological progress awards. Over 20 achievements have passed provincial appraisals, with two reaching international advanced levels and twelve achieving domestic leading levels.
Over 20 achievements have passed provincial appraisals, with two reaching international advanced levels and twelve achieving domestic leading levels.
Awarded Science and Technology Progress, Patent Star Enterprise, and Famous Trademark. Numerous products listed in the National Torch Program — validating Longli's position as a technology leader trusted for critical applications.
Over 10 senior engineers and 100 R&D professionals. Regional R&D centers and 12 technical departments ensure continuous product innovation aligned with evolving international standards and Dutch market requirements.
Certified to ISO9001:2015 & IATF16949:2016, with CQC and MA certifications. Equipped with advanced testing labs and complete quality processes — providing the documentation and traceability that Dutch procurement standards demand.
Products exported to more than 20 countries with long-term stable partnerships with military, grid, and new energy clients. Longli's track record of reliable delivery and technical support makes it a preferred China supplier for Netherlands-based buyers.
Browse our full range of waterproof cable joint solutions — each series engineered for specific application demands, from bayonet-lock circular connectors for offshore installations to industrial FX16-7 series for Dutch manufacturing plants.
