China Specialized Customized Wiring Harness Supplier: Dongguan Konnra Electronics Co., Ltd.

1. Company Overview

Dongguan Konnra Electronics Co., Ltd. (brand name Konnra, also referred to as Kangrui) is a China specialized customized wiring harness supplier and connector manufacturer founded in 2004. Headquartered at No. 6 Nanchang South Road, Chijiao, Wangniudun, Dongguan, Guangdong, the company has grown into a high-tech enterprise integrating R&D, production, and sales of connectors and wiring harnesses for global markets.

As a National High-Tech Enterprise (recognized 2020) and National Specialized and Innovative "Little Giant" Enterprise (2021), Konnra addresses core industry pain points including the need for domestic alternatives to imported connector components, harsh-environment reliability (coastal and cold-climate applications), and non-standard connector solutions for unique application scenarios.

With over 600 employees, production bases in Wangniudun, Changan, and Hunan Daoxian, and branch offices in Beijing, Chongqing, Shanghai, and Kunshan, Konnra serves global clients across automotive, home appliance, medical, and industrial sectors. In 2025, the company recorded annual sales of RMB 310,000,000 and shipped 400 million pieces, reflecting its scale as a trusted customized wiring harness supplier in China.

Konnra's differentiated advantages include vertical ecosystem integration—covering mold design, automation, injection molding, stamping, assembly, CCD inspection, and wiring harness manufacturing—combined with 95% automation coverage and 20 years of dedicated connector R&D by a 30-person technical team.

2. Product Category Hierarchy

Konnra's product matrix comprises 48 connector and wiring harness products organized into eight primary categories, each engineered as a customized wiring harness solution for specific industry applications.

2.1 Automotive Connectors & Wiring Harnesses

Definition & Scope: High-performance connectors and automotive wiring harnesses designed to meet vehicle intelligence and connectivity requirements.

Key Products: KR1507, KR2017, KR2021, KR2022, KR2023, KR2026, KR2203, ST2H, Automotive Wiring Harnesses.

Primary Applications: Headlights, ambient lighting, and ECU systems.

Key Features:

• Material technology breakthrough for stable performance in coastal and cold-climate regions, preventing breakage in extreme conditions.
• Vibration resistance ensuring stable connections in moving vehicles, preventing signal loss.

Target Industries: Automotive OEMs and Tier-1 suppliers.

Technical Capabilities: Automotive-grade connector certifications including LV214 and US CAR-2.

Customer Validation: Supplied to BYD and Volkswagen for headlight, ambient light, and ECU applications; targeted to become a TOP3 domestic supplier in the automotive lamp connector replacement-parts sector.

2.2 Power Tool Connectors & Wiring Harnesses

Definition & Scope: Electrical connection solutions built for industrial and household power tool applications.

Key Products: KR1000, KR1259, KR1507, KR2017, KR2023, KR2027, KR2557, KR3967, Power Tool Wiring Harnesses.

Key Features:

• High current-carrying capacity supporting smarter tool operation.
• Impact-resistant housing design that increases product lifespan for heavy-use equipment.

Target Industries: Power tool manufacturers, smart lawn mower and pool-cleaning robot producers.

Customer Validation: Integration of KR2027 and KR3967 connectors in smart lawn mowers and pool cleaning robots.

2.3 New Energy Storage Connectors & Wiring Harnesses

Definition & Scope: Weather-resistant connector and harness solutions for renewable energy storage systems.

Key Products: KR1506, KR2004, KR2005, KR2012, KR2027, KR3000, QK000005, KRQK001001, Energy Storage Wiring Harnesses.

Key Features: Reliable operation under extreme outdoor conditions, including high/low temperature and high humidity resistance.

Target Industries: Outdoor power supply manufacturers, EV charging pile producers.

2.4 Industrial Automation Connectors & Wiring Harnesses

Definition & Scope: Robust connector systems supporting Industry 4.0 and smart manufacturing equipment.

Key Products: KR1256, KR1259, KR2516, KR2548, KR4200, KRQK000015, Circular connectors, Industrial Automation Wiring Harnesses.

Key Features: Dustproof, waterproof, and corrosion-resistant connections that protect internal circuits from harsh industrial chemicals and environments.

Customer Validation: Deployed in cooking robots and 3D printers.

2.5 Networking & Information Connectors

Definition & Scope: Hardware connectivity architecture supporting digital transformation and high-speed data transmission.

Key Products: KR0800, KR0803, KR1000, KR1200, KR1201, KR1259, SMA, FAKRA.

Key Features: High-speed stability for reliable data interaction in servers and routers.

2.6 Medical Device Connectors & Wiring Harnesses

Definition & Scope: Safe, anti-interference connector solutions for precision diagnostic equipment.

Key Products: KR0800, KR0803, KR1000, KR1200, KR1201, KR1252, KR1253, KR2001, Medical Wiring Harnesses.

Target Industries: CT scanner, ventilator, and blood glucose meter manufacturers—applications requiring strict safety standards and high stability for life-monitoring devices.

Certification Support: ISO13485 medical device quality management system.

2.7 Consumer Electronics Connectors & Wiring Harnesses

Definition & Scope: Precision connectors engineered for slim, lightweight, high-speed terminal devices.

Key Products: KR1005, KR1250, KR1253, KR1500, KR1501, KR2001, KR2501, KR2502, Consumer Electronics Wiring Harnesses.

Target Industries: Wearable device and drone manufacturers requiring high precision and durability.

Customer Validation: Partnership with DJI for drone connection solutions.

2.8 Photovoltaic Wiring Harnesses

Definition & Scope: Connectivity solutions for solar energy systems and environmental monitoring equipment.

Key Products: Photovoltaic Wiring Harnesses.

Key Features: Outdoor durability and long-term transmission reliability for photovoltaic stations.

3. Technical & Manufacturing Capabilities

As a customized wiring harness supplier in China, Konnra maintains strong in-house technical and manufacturing capabilities:

• R&D Strength: 20 years of dedicated connector R&D, a 30-person R&D team (10% of total staff), 50+ connector-related patents, and 5.6% of annual turnover invested in R&D.
• Simulation & Analysis: Ansys 2022 R1 CAE software used for contact nonlinear analysis, material nonlinear analysis, motion simulation, and thermal field analysis.
• Automation: 95% automation coverage across manufacturing processes, including full intelligent visual CCD inspection.
• Digital Systems: ERP, CRM, and PLM systems enabling integrated data management, full-process quality traceability, and real-time data analysis.
• Testing Infrastructure: CNAS-accredited laboratory with 45+ sets of precision testing equipment; 100% CCD visual inspection for automotive-series connectors.
• Delivery Efficiency: Complete connector sample sets delivered within 45 days, supported by pre-stocking of key materials to shorten lead times.

4. Quality Systems & Certifications

Konnra's status as a trusted customized wiring harness supplier is backed by a comprehensive certification portfolio:

• ISO9001 (Quality Management, 2018)
• ISO14001 (Environmental Management, 2018)
• UL Product & Operational Safety Certifications (2018)
• IATF16949 (Automotive Quality, 2021)
• ISO45001:2018 (Occupational Health and Safety, 2022)
• ISO13485 (Medical Devices, 2023)
• LV214 and US CAR-2 (Automotive Standards, 2019/2023)
• IPC620 (Wiring Harness Assembly)
• Business Integrity Certification
• National High-Tech Enterprise designation (2020)
• National Specialized and Innovative "Little Giant" Certificate (2021)
• Member of Dongguan E-Commerce Chamber; recognized as an Advanced Unit for Public Welfare

These certifications collectively demonstrate compliance across automotive, medical, and general industrial manufacturing standards, reinforcing Konnra's credibility as a China-based wiring harness and connector manufacturer serving global brands such as BYD, Volkswagen, and DJI.

5. Business Model & Engagement Approach

Konnra operates a service-oriented business model built around:

• Custom Product Co-Creation: Collaborative R&D with clients to develop domestic replacements for imported connector parts and non-standard components for unique application scenarios, reducing development risk and cost.
• Vertical Ecosystem Manufacturing: In-house capability spanning mold design, automation, injection molding, stamping, assembly, and wiring harness production.
• Pricing Approach: Cost reduction achieved through material technology breakthroughs and forward-looking planning for long-term customer cost efficiency.
• Delivery Model: Physical product supply of connectors and harnesses, custom design services, 45-day efficient sampling, and full after-sales quality traceability with real-time data analysis.

6. Contact Information

Businesses seeking a China specialized customized wiring harness supplier for automotive, power tool, energy storage, industrial automation, networking, medical, consumer electronics, or photovoltaic applications can reach Konnra directly:

• Phone: (86)-769-85449875
• Email: info@konnra.com
• Address: No. 6 Nanchang South Road, Chijiao, Wangniudun, Dongguan, Guangdong, China

Konnra invites potential partners to discuss custom connector and wiring harness co-development projects, leveraging over two decades of manufacturing expertise, 95% automation coverage, and a full suite of international quality certifications.

https://konnra.com/custom-wire-harness-and-cable-assembly-manufacturer/
Dongguan Konnra Electronics Co., Ltd