Flash Speed, A Leading Global Supplier of Electric Vehicle Cables
We are a wiring harness supplier for Toyota, Motorola, and Kia. Our comprehensive capabilities in product quality, delivery time, and other aspects are top-notch, and we have passed the audits of Fortune 500 companies.
With 26 years of experience in custom vehicle wiring harness processing, we accept custom processing of various types and small batches based on provided drawings or samples.
Since 1999 — Custom Wire Harness Expertise
26 years of professional customization experience
ISO 9001:2015–certified quality and reliability
Fast delivery with flexible, customer-driven solutions
Short Lead Time. Custom Styles. Engineered for Precision
From Standard to Customized Connectivity Solutions
We provide end-to-end services ranging from
standard harnesses to fully customized integrated
systems, tailored to meet diverse application requirements.
Engineering Innovation Powered by Patents
With 9 utility model patents and strong in-house engineering capabilities, we continuously innovate to deliver high-value connectivity solutions.
OUR PRODUCT
Our New Energy Electric Product
- HVIL Connector
- Battery Storage
- Customized Wiring Harness
About Us
Founded in 1999, we are a technology-driven company focused on advancing electrical connectivity for the next generation of mobility and intelligent equipment. We engineer and manufacture high-performance wiring harnesses and connector systems that meet the demanding standards of automotive OEMs, EV innovators, and industrial technology manufacturers.
Our solutions support a diverse spectrum of applications—including precision battery test harnesses, industrial control wiring, custom automotive modification harnesses, smart-device cabling, diagnostic connectors and cables, as well as high- and low-voltage systems for new-energy vehicles.We combine deep engineering expertise with modern production technologies, automated manufacturing, and rigorous quality control to deliver reliable, safe, and scalable wiring solutions that power innovation today and into the future.
Factory Area
Mold System
Model Patents
R&D Engineers
Why Choose Flash Speed
We are committed to creating high quality products to meet the requirements of our customers and different industries. We have won the trust of thousands of customers all over the world.
LEARN MORE
Professional Intelligent Power Connection Solutions
We are committed to creating high quality products to meet the requirements of our customers and different industries. We have won the trust of thousands of customers all over the world.
EV Charging Solution
Reliable, safe, and durable EV charging connection solutions designed for both AC and DC applications.
Car manufacturers OEM Solution
A leading automotive OEM partnered with Jiusu·Shiting to enhance powertrain wiring reliability, reduce maintenance risks, and ensure long-term vehicle stability.
Automotive Electronics Supplier Solution
A Tier-1 EV electronics supplier worked with Jiusu·Shiting to integrate safe, scalable high-voltage connectors into next-generation battery systems.
Intelligent Electronic Module Supply Chain Enterprises
A commercial vehicle manufacturer collaborated with Jiusu·Shiting to deploy a durable, fully customized harness system engineered for extreme operating environments.
EV Charging Solution
Reliable, safe, and durable EV charging connection solutions designed for both AC and DC applications.
Car manufacturers OEM Solution
A leading automotive OEM partnered with Jiusu·Shiting to enhance powertrain wiring reliability, reduce maintenance risks, and ensure long-term vehicle stability.
Automotive Electronics Supplier Solution
A Tier-1 EV electronics supplier worked with Jiusu·Shiting to integrate safe, scalable high-voltage connectors into next-generation battery systems.
Intelligent Electronic Module Supply Chain Enterprises
A commercial vehicle manufacturer collaborated with Jiusu·Shiting to deploy a durable, fully customized harness system engineered for extreme operating environments.
Frequently Asked Question
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What industries do your wiring harnesses support?
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Can you customize wiring harnesses based on specific requirements?
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What quality standards do your products meet?
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What is your typical lead time for production orders?
Request a Quote
Request a custom quote for your wiring harness project—just send us your specs, drawings, or requirements. Our engineering and sales team will review and respond quickly with pricing, timelines, and options.
Thank you for choosing us — we’re proud to power your innovation.
Latest News
Better Solution, Better Price, Better Quality!
If you are designing a new wire harness or already have one that needs to be made, our sales engineers can provide expert advice on wire and cable options as well as connector and contact options.
