Dongguan Konnra Electronics: Custom Connector Supplier for Automotive, Medical & Industrial OEMs
Dongguan Konnra Electronics Co., Ltd. (brand name Konnra, also known as Kangrui) is a National High-Tech Enterprise and "Little Giant" Specialized and Innovative enterprise founded in 2004. As a custom connector supplier integrating research, mold design, automation, injection molding, stamping, assembly, CCD inspection, and wiring harness production under one roof, Konnra delivers high-reliability connectivity solutions to global automotive, industrial, medical, and consumer electronics manufacturers. Headquartered in Wangniudun, Dongguan, with production bases in Changan and Hunan Daoxian and branch offices in Beijing, Chongqing, Shanghai, and Kunshan, Konnra serves customers across North, East, Southwest, South, and Central China—and worldwide. In 2025, the company recorded total annual sales of RMB 310,000,000 and shipped 400 million pieces (PCS).
Core Capabilities: Vertical Integration Built for Reliability
Konnra's competitive edge comes from 20 years of dedicated connector R&D, a 30-person engineering team representing 10% of total staff, and 95% automation coverage across manufacturing processes. Core competencies include:
- Vertical Ecosystem Manufacturing — In-house mold design, automation engineering, injection molding, stamping, assembly, and wiring harness production eliminate outsourcing risk and shorten lead times.
- CAE-Driven Engineering — Ansys 2022 R1 software enables contact nonlinear analysis, material nonlinear analysis, motion simulation, and thermal field analysis before tooling begins.
- Full Intelligent Visual Inspection — CCD inspection covers 95% of production, with 100% CCD visual inspection applied to automotive series connectors.
- CNAS-Accredited Testing — An independent laboratory equipped with 45+ sets of precision testing equipment validates performance against automotive and industrial standards.
- Rapid Sampling & Pre-Stocking — A complete connector sample set can be delivered in as little as 45 days, supported by pre-stocked key materials to compress delivery cycles.
- Digital Quality Management — Integrated ERP, CRM, and PLM systems provide full-process quality traceability and real-time data analysis.
Konnra holds 50+ connector R&D patents and reinvests 5.6% of turnover into research and development, underpinning its position as a domestic replacement source for imported connector components.
Industry Applications: Solutions Across Eight Sectors
Konnra's connector and wiring harness portfolio is engineered for the specific demands of the following industries:
- Automotive — High-vibration, high-temperature connectors for headlights, ambient lighting, and ECU systems; supplied to brands including BYD and Volkswagen.
- Power Tools — Impact-resistant, high-current connectors for smart lawn mowers and pool cleaning robots.
- New Energy Storage — Weather-resistant connectors for outdoor power supplies and EV charging piles.
- Industrial Automation — Dustproof, waterproof, corrosion-resistant connectors for cooking robots and 3D printers.
- Networking & Information Equipment — High-speed, stable connectors for servers and routers.
- Medical Devices — Anti-interference, safety-certified connectors for CT scanners, ventilators, and blood glucose meters.
- Consumer Electronics — Precision connectors for slim, lightweight, high-speed terminal devices; partnership with DJI on drone connection solutions.
- Photovoltaics — Durable outdoor wiring harnesses for solar energy and environmental monitoring stations.
Product Category Navigation
Konnra's catalog spans 48 products organized into connector series and application-specific wiring harnesses.
Automotive Connectors & Harnesses
KR1507, KR2017, KR2021, KR2022, KR2023, KR2026, KR2203, ST2H, and Automotive Wiring Harnesses — built with material technology breakthroughs for stable performance in coastal and cold environments.
Power Tool Connectors & Harnesses
KR1000, KR1259, KR1507, KR2017, KR2023, KR2027, KR2557, KR3967, and Power Tool Wiring Harnesses — designed for high current-carrying capacity and durable, impact-resistant housings.
New Energy Storage Connectors & Harnesses
KR1506, KR2004, KR2005, KR2012, KR2027, KR3000, QK000005, KRQK001001, and Energy Storage Wiring Harnesses — rated for extreme high/low temperature and high-humidity conditions.
Industrial Automation Connectors & Harnesses
KR1256, KR1259, KR2516, KR2548, KR4200, KRQK000015, Circular Connectors, and Industrial Automation Wiring Harnesses — engineered with corrosion-resistant housings that protect internal circuits.
Networking & Information Connectors
KR0800, KR0803, KR1000, KR1200, KR1201, KR1259, SMA, and FAKRA — supporting reliable, high-speed data interaction.
Medical Device Connectors & Harnesses
KR0800, KR0803, KR1000, KR1200, KR1201, KR1252, KR1253, KR2001, and Medical Wiring Harnesses — built to strict safety standards for life-monitoring equipment.
Consumer Electronics Connectors & Harnesses
KR1005, KR1250, KR1253, KR1500, KR1501, KR2001, KR2501, KR2502, and Consumer Electronics Wiring Harnesses — optimized for wearable device precision and durability.
Photovoltaic Wiring Harnesses
Purpose-built harnesses for long-term outdoor transmission reliability in photovoltaic stations.
Custom Solutions: Engineering to Your Application
As a custom connector supplier, Konnra specializes in solving problems standard parts cannot address:
- Domestic Replacement for Imported Parts — The KR2017 series was developed as a direct domestic substitute for imported automotive lighting connectors, lowering costs while maintaining stable performance in coastal climates.
- Collaborative Non-Standard Development — The KR2026 series was co-created with a customer to meet a unique application scenario where standard parts were inapplicable, reducing project development risk.
- Application-Specific Integration — KR2027 and KR3967 connectors were integrated into smart lawn mower systems, delivering both high efficiency and impact resistance.
Custom engineering is supported end-to-end through pre-sales design consultation, precision mold design and manufacturing, automation design, and full testing center verification—giving OEM partners a single accountable partner from concept to production.
Technical Resources Hub
Buyers evaluating connector suppliers can reference Konnra's documented technical foundation:
- Certifications & Standards: ISO9001, ISO14001, ISO45001:2018, ISO13485, IATF16949, IPC620, UL, LV214, and US CAR-2.
- Testing Infrastructure: CNAS-accredited laboratory with 45+ precision testing instruments.
- Development Timeline: Corporate milestones from ISO certification (2018) through IATF16949 automotive certification (2021) and LV214/US CAR-2 approval (2023) demonstrate continuous capability expansion.
- Quality Systems: ERP, CRM, and PLM platforms providing traceability data for engineering and procurement teams.
Get in Touch with Konnra's Engineering Team
Ready to discuss a custom connector project, request a sample within 45 days, or verify a domestic replacement option for an imported part? Contact Konnra directly:
- Phone: (86)-769-85449875
- Email: info@konnra.com
- Address: No. 6 Nanchang South Road, Chijiao, Wangniudun, Dongguan, Guangdong, China
Konnra's engineering team is positioned to support OEM partners from initial design consultation through full-scale production, backed by 95% automation coverage, 50+ patents, and a goal of ranking among the TOP3 domestic suppliers of automotive lamp connector replacement parts.
https://konnra.com/custom-wire-harness-and-cable-assembly-manufacturer/
Dongguan Konnra Electronics Co., Ltd
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