Precision-engineered waterproof connectors trusted by automotive OEMs, EV manufacturers, and industrial operators across Malaysia and Southeast Asia.




Malaysia stands as one of Southeast Asia's most dynamic automotive and electronics manufacturing hubs, creating strong and growing demand for waterproof car connectors across multiple sectors.
Malaysia is home to national brands Proton and Perodua, as well as major global OEM assembly plants. These manufacturers require millions of waterproof connector units annually for wiring harnesses, ECU systems, lighting, and sensor networks that must withstand Malaysia's tropical humidity and heavy rainfall conditions.
Under Malaysia's National Energy Transition Roadmap (NETR) and the National Automotive Policy (NAP 2020), EV adoption is accelerating rapidly. Waterproof connectors are critical for EV battery management systems, charging stations, and high-voltage harnesses deployed across Peninsular Malaysia and East Malaysia.
Malaysia is the world's 7th largest exporter of electronics and semiconductors. Industrial waterproof connectors are essential in automated production lines, cleanroom equipment, and harsh-environment machinery across Penang, Selangor, and Johor's industrial corridors.
Malaysia's year-round high humidity (70β90% RH), frequent monsoon rains, and heat create extreme demands on electrical connectivity. IP67/IP68-rated waterproof connectors are not optional β they are mandatory for reliable performance in automotive, outdoor industrial, and transportation applications.
Projects such as the MRT3 Circle Line, LRT3, and the planned Johor BahruβSingapore RTS Link drive significant demand for railway-grade waterproof connectors used in rolling stock, signalling systems, and trackside equipment requiring IP67 or higher protection ratings.
Malaysia's Petronas-led offshore oil and gas industry and its active fishing and maritime sectors demand marine-grade waterproof connectors capable of withstanding saltwater corrosion, vibration, and pressure β making high-IP-rated connectors a standard procurement requirement.
Key technological and policy shifts are reshaping the waterproof connector supply chain across Malaysia's automotive and industrial landscape.
Malaysia's EV tax exemptions, the Perodua and Proton EV roadmaps, and the entry of BYD, Chery, and BMW EV assembly operations are creating a massive pipeline for high-voltage waterproof connectors, battery pack interconnects, and charging infrastructure components rated to IP67 and above.
Malaysia's Industry4WRD initiative is accelerating automation across factories in Selangor, Penang, and Johor. Smart sensors, robotic arms, and IoT-enabled machinery all require ruggedised, waterproof multi-pin connectors that ensure signal integrity in high-vibration, high-humidity environments.
As vehicles and industrial equipment become more electronically complex, there is a strong trend toward compact, high-pin-count waterproof connectors β such as mini-rectangular and micro-circular series β that deliver maximum connectivity in minimal space without compromising IP protection ratings.
Post-pandemic supply chain disruptions have prompted Malaysian manufacturers to diversify sourcing. Partnering with certified Chinese connector factories with direct export capabilities to Malaysia reduces lead times, lowers costs, and ensures consistent quality through ISO9001 and IATF16949-certified supply chains.
Malaysia's National Energy Policy targets 70% renewable energy by 2050. Large-scale solar farms (LSSPV) across Kedah, Johor, and Sabah require weatherproof, UV-resistant connectors for photovoltaic arrays, inverter systems, and grid connection points exposed to continuous outdoor conditions.
Malaysian OEMs and Tier-1 suppliers increasingly mandate IATF16949, AEC-Q200, and IEC60529 compliance for connector procurement. Suppliers with comprehensive certifications, in-house testing labs, and proven track records in military and aerospace-grade connectors hold a significant competitive advantage.
Our waterproof connectors are engineered for Malaysia's most demanding real-world environments β from tropical coastal conditions to high-speed rail and EV charging networks.
Waterproof wiring harness connectors for national car assembly lines in Tanjung Malim and Rawang, ensuring reliability in Malaysia's humid climate.
IP67-rated connectors for public EV charging infrastructure deployed by ChargEV, Gentari, and Shell Recharge across major Malaysian highways and cities.
Railway-grade circular connectors for Prasarana and MRT Corp rolling stock, signalling systems, and platform screen door control units.
Multi-pin waterproof connectors for semiconductor fabrication equipment, CNC machinery, and automated assembly systems in Bayan Lepas FIZ and Shah Alam industrial zones.
UV-resistant, weatherproof connectors for large-scale solar photovoltaic installations under Malaysia's LSSPV Programme 5 and corporate renewable energy procurement.
Marine-grade, corrosion-resistant connectors for subsea equipment, offshore drilling rigs, and floating production storage and offloading (FPSO) vessels in Malaysian waters.
Waterproof connectors for port cranes, automated guided vehicles (AGVs), and container handling equipment operating in high-salinity, high-humidity coastal environments.
Heavy-duty waterproof connectors for excavators, drilling rigs, and construction machinery deployed across Sarawak's infrastructure development projects and Pahang's mining operations.
Shandong Longli Electronics Co., Ltd. is recognised as a national-level "Key Little Giant" enterprise β specialised, refined, unique, and innovative β as well as a provincial-level Gazelle Enterprise, Hidden Champion, and Manufacturing Single Champion in Shandong Province.
The company operates dedicated R&D centres in Linyi, Xi'an, and Jinan, and possesses comprehensive third-party service capabilities including testing and inspection services with CMA and CNAS certifications β ensuring every connector exported to Malaysia meets the highest international quality benchmarks.
With products exported to more than 20 countries and long-term partnerships with military, grid, and new energy clients globally, Longli is a trusted waterproof connector factory and supplier for Malaysia's automotive, EV, industrial, and infrastructure markets.
Seven major connector categories, 130+ series, and thousands of specifications β engineered for Malaysia's most demanding automotive, industrial, and infrastructure applications.
High-reliability connectors meeting GJB599 and MIL-DTL-38999 standards, suitable for defence electronics and ruggedised systems requiring extreme waterproofing and vibration resistance.
High-voltage, high-current waterproof connectors for EV battery packs, charging systems, and motor controllers β fully compatible with Malaysia's growing EV ecosystem.
Weatherproof connectors for power transmission, distribution automation, and smart metering infrastructure aligned with Malaysia's grid modernisation programmes.
Vibration-resistant, IP67-rated connectors for rolling stock, signalling, and traction systems serving Malaysia's expanding urban rail and intercity rail networks.
Explosion-proof and corrosion-resistant waterproof connectors for Malaysia's oil and gas offshore platforms and mining operations in Sarawak and Sabah.
Saltwater-resistant, pressure-rated connectors for Malaysia's fishing fleets, port machinery, and Petronas offshore facilities operating in the South China Sea.
Awarded Science and Technology Progress, Patent Star Enterprise, and Famous Trademark. Numerous products listed in the National Torch Program β your assurance of proven innovation.
Over 10 senior engineers and 100 R&D professionals across regional R&D centres and 12 technical departments β continuously developing next-generation waterproof connector solutions.
Certified to ISO9001:2015 & IATF16949:2016, with CQC and MA certifications. Equipped with advanced testing labs and complete quality processes that meet Malaysian OEM procurement standards.
Products exported to more than 20 countries with long-term stable partnerships with military, grid, and new energy clients β a proven global supply chain you can rely on for Malaysia.
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 β a testament to the engineering excellence behind every waterproof connector we supply to Malaysia's automotive and industrial markets.
This continuous investment in R&D means Malaysian customers benefit from the latest advances in sealing technology, contact reliability, miniaturisation, and high-voltage performance β keeping their products competitive in a rapidly evolving market.
Explore our full range of high-reliability waterproof connectors β from military-grade circular connectors to compact mini-rectangular series β all available for direct export to Malaysia.








Whether you are an automotive OEM, EV manufacturer, system integrator, or industrial equipment supplier in Malaysia β our certified waterproof connector factory is ready to deliver the precision, reliability, and volume you need.
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