About Junruisheng
Professional Industrial Connector Manufacturer Integrating R&D, Precision Tooling & Manufacturing
Empowering Industries Through Connections, Earning Trust Through Quality
Junruisheng is headquartered in Longgang District, Shenzhen — the heartland of China's precision manufacturing industry. We are a professional industrial connector manufacturer integrating R&D, production, sales, and comprehensive engineering service.
Since our founding, Junruisheng has remained dedicated to delivering safe, reliable, and efficient connection solutions to customers worldwide. Operating a standardized production facility exceeding 2,000 square meters, our integrated setup delivers complete in-house manufacturing — from mold development and component machining to final automated assembly.
Our high-reliability interconnect solutions proudly serve Fortune 500 enterprises and publicly listed companies across industrial automation, new energy, telecommunications, medical devices, and rail transit.
Why Choose Junruisheng
Dedicated Engineering, Vertically Integrated Manufacturing, and Global Quality Standards
Scale Manufacturing with In-House Tooling
Over 2,000 ㎡ standardized plant equipped with in-house mold tooling, CNC hardware, injection molding, and automated assembly workshops — ensuring complete process autonomy and stable on-time delivery.
Professional Team & Custom Agility
Over 100 dedicated specialists across R&D, tooling, and process engineering. We respond rapidly to individual customer specifications — from concept modeling and rapid prototyping to high-volume manufacturing.
Strict Quality & Full Traceability
Standardized operations and strict traceability from raw material inspection and in-process controls to final 100% submersion testing, meeting stringent global compliance (ISO9001, IP68, CE, RoHS).
Four Core Product Lines
Engineered around three core pillars: Industrial-Grade, High-Reliability, and Customizable
Industrial Waterproof Connectors
Engineered for harsh outdoor, humid, and dusty environments with IP67/IP68 ingress protection and anti-vibration performance. Widely used in sensors, automation lines, and outdoor equipment.
Energy Storage Connectors
Designed for high-current, high-voltage battery systems, power packs, and charging equipment. Featuring low contact resistance, superior thermal dissipation, and high durability.
Photovoltaic Connectors
Purpose-built for solar systems with UV resistance, wide temperature tolerance, and anti-aging properties. Ensuring reliable transmission at PV modules, inverters, and combiner boxes.
3C-elektroniikkaliittimet
Targeting smart terminals, telecom equipment, and consumer hardware. Providing precision, miniaturized, and highly integrated connection solutions for high-speed transmission.
Modern Manufacturing Workshops
Full-cycle integrated manufacturing facility in Longgang District, Shenzhen
Mold Tooling Workshop
In-house precision EDM wire-cutting, high-precision surface grinders, and mold development centers.
Precision Hardware CNC
High-speed automatic lathes machining copper alloy pins, gold-plated contacts, and shielding metal shells.
Automated Assembly Lines
Automated multi-pin insert molding, wire crimping, potting, and 100% air-tightness submersion testing.