Innovative ODM/OEM service provider
Custom Cable & Wire Harness Assembly Manufacturer
Fast Custom Wiring Harness Factory | One-Stop Solutions | Low Moq | Free Sample | Response Within 12 Hours
about company
china leading cable assemblies and wire harnesses manufacturer
Shenzhen Sino-Media Technology Co., Ltd. is a reliable and professional manufacturer of custom cable assemblies and wire harnesses in China. We provide OEM and ODM services.
As an integrated modern enterprise specializing in R&D, production, and sales, we focus on delivering high-performance cable assembly solutions for industrial automation, communication equipment, consumer electronics, and other applications. With advanced technology and stringent quality standards, our products are exported to Europe and the United States, and we have established long-term partnerships with leading global companies.
lf you need any custom services for cable assembly and wire Harness, please call us.Qur team is available seven days a week.
Email us now:
Andy:manager@sino-conn.com
Simon:info@sino-conn.com
Signaling Interface Cables
Signaling interface cables are designed for accurate, stable communication between control units and peripheral systems. They are widely used in industrial automation, testing equipment, and communication devices, offering customized shielding and connector options to meet specific signal integrity and EMI requirements.
Flat Flexible Cables(FFC)
Flat Flexible Cables provide compact, lightweight, and bendable connectivity solutions. Ideal for tight spaces, they are commonly used in LCD panels, printers, laptops, and mobile devices. These cables support high-density connections with excellent signal reliability and flexibility during repeated motion or folding.
Fiber Optical Transceiver
Fiber optical transceivers enable high-speed, long-distance data communication with low signal attenuation. Perfect for data centers, communication infrastructure, and industrial networks, they support fast transmission over single-mode or multi-mode fibers, offering reliable performance even in harsh environments.
Lan Cables
LAN cables ensure stable and high-speed Ethernet connections for office, commercial, and industrial networking. Supporting CAT5e, CAT6, CAT6A, and CAT7 standards, they offer shielding options to reduce EMI and can be tailored to different lengths, colors, and connector types.
Circular Connector Cables
Circular connector cables are rugged, waterproof, and vibration-resistant, making them ideal for outdoor and industrial environments. They support both signal and power transmission, with options for screw-locking or bayonet mechanisms, suitable for sensors, automation equipment, and field devices.
Receptacle Connectors
Receptacle connectors provide secure, durable interfaces for board-to-cable or panel-mount applications. Available in various configurations, they are widely used in automotive electronics, machinery, and consumer devices, ensuring stable contact and resistance to shock, moisture, and corrosion.
Power Cord
Power cords are engineered to safely transmit electrical power to equipment and appliances. They are available in a variety of voltages, plug types, and insulation materials to meet international standards. Ideal for industrial, household, and IT applications with reliable durability and safety compliance.
RF Coaxial Cables
RF coaxial cables deliver high-frequency signal transmission with minimal interference. Widely used in antennas, broadcasting, GPS, and wireless communication systems, they feature precise impedance control and shielding, with connector options like SMA, BNC, and TNC for diverse environments.
More Cables
We also offer a wide range of custom cables, including hybrid power-signal cables, multi-core assemblies, twisted pairs, and special-purpose wires for robotics, EVs, and medical systems. All are tailored to meet exact performance, flexibility, and durability requirements of your project.
product applications
Our cable assemblies and wiring harnesses offer reliable connectivity, stable performance, and customizable solutions to meet diverse application needs across a wide range of industries.
consumer cable
Wiring harnesses in consumer electronics connect internal circuits for power and data transmission in compact, high-efficiency device layouts.
micro coaxial cable
Micro coaxial cables are ideal for high-speed signal transmission in compact devices like cameras, drones, and medical diagnostic tools.
high temperature spiral cable
Designed for environments with heat and movement, spiral cables maintain flexibility and insulation in welding equipment and industrial robotics.
medical equipment
Wire harnesses in medical equipment ensure safe and reliable connections for imaging systems, monitoring devices, and surgical instruments.
auto seat control harness
These harnesses control power seat functions such as adjustment, heating, and memory settings with durable automotive-grade connections.
high temperature spiral cable
Used in dynamic applications, spiral cables withstand continuous bending and high temperatures in automation and heavy-duty tools.
Who Use sino-conn Wiring Harnesses
Sino-Conn wiring harnesses are trusted by OEMs, system integrators, and global brands seeking reliable, high-performance, and fully customized cable solutions for their products and equipment.
Electronic or Electrical Manufacturer
contract manufacturer of wire harnesses and custom cable assemblies with over 30 years of leading industry experience and support. We offer custom designed cable assemblies with no minimum order quantity in
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Famous Connector Company
contract manufacturer of wire harnesses and custom cable assemblies with over 30 years of leading industry experience and support. We offer custom designed cable assemblies with no minimum order quantity in
Design&Engineering Company
contract manufacturer of wire harnesses and custom cable assemblies with over 30 years of leading industry experience and support. We offer custom designed cable assemblies with no minimum order quantity in
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Let's work together to create sustainable and innovative cable solutions
Why Choose Us
Sure we build impressive
We offer superior quality connectors and cables designed to meet your exact specifications. Our products are engineered for reliability, performance, and longevity, ensuring that you get the best possible solution for your project.
Connectors and cables are designed for reliability, performance, and longevity, tailored to meet exact specifications.
With over 16 years of design and manufacturing expertise, you ensure professional and high-quality production.
Products are certified with ISO9001, ISO14001, TS16949, ISO13485, and UL, guaranteeing compliance with international standards.
Accept OEM/ODM orders with flexible MOQs (100pcs for OEM, 1000pcs for ODM) and offer design-based solutions.
Products come with 12-36 months warranty, and bulk orders include 0.3%-0.5% backup units for defective replacements.
Fast delivery (3 days for small orders, 7-25 days for large orders).
Testimonials
What Our Clients Say?
International Certifications
Ask Us About Free Samples
Hey, don’t hesitate to try & feel the FREE SAMPLES before making up your decision
Frequently Asked Questions
Here you’ll find answers to the most frequently asked questions about our custom cable assemblies and wire harness services. From product certifications and customization options to order processing and after-sales support, this section covers everything you need to know. If you have a specific inquiry that isn’t listed, feel free to contact our team—we’re available 7 days a week to assist you.
Products
Q1: Do your cable assemblies and wire harnesses come with certifications?
A: Yes. All of our products are manufactured under strict quality control systems and are certified with internationally recognized standards including ISO9001 (Quality Management), ISO14001 (Environmental Management), TS16949 (Automotive Quality), ISO13485 (Medical Device Quality), and UL certifications. These certifications ensure that our products meet global compliance and industry-specific requirements.
Q2: What types of products do you specialize in?
A: We specialize in custom cable assemblies and wire harnesses for a wide range of applications including:
Industrial Automation Equipment
Communication Devices (e.g. routers, base stations)
Consumer Electronics (e.g. laptops, gaming consoles)
Automotive Systems
Medical Devices
Each product is designed for durability, signal integrity, and environmental adaptability.
Q3: What makes your cable assembly products unique?
A: We focus on tailor-made solutions. Our engineering team works closely with customers to develop optimized cable layouts, choose suitable materials, and ensure seamless integration into their equipment. We’re not just a manufacturer—we’re also a technical partner who adds value to your project.
Q4: What customization options are available for cable assemblies?
A: We offer complete customization, including:
Wire gauge, length, color coding
Shielding types (EMI/RFI protection)
Waterproof or flame-retardant materials
Connector types (Molex, JST, TE, etc.)
Labeling, overmolding, and strain relief
We can also assist with redesign for improved performance or cost-efficiency.
Q5: Can your products be used in harsh environments?
A: Yes. We can design and manufacture cable assemblies with features such as IP67 waterproof protection, UV resistance, oil resistance, high/low temperature tolerance, and anti-interference shielding to withstand rugged industrial and outdoor environments.
Q6: Can you develop products based on client drawings or samples?
A: Absolutely. We accept customer-provided drawings, samples, or specifications. Our engineering team can perform a detailed feasibility analysis and even assist in refining designs to meet certification and manufacturability standards.
Q7: Do you provide electrical and functional testing for your products?
A: Yes, every product undergoes rigorous electrical testing, continuity testing, insulation resistance testing, and visual inspection before shipment. For high-precision projects, we also offer 100% full-function testing or custom testing per customer requirement.
Q8: What is your standard for quality assurance?
A: Our factory operates under a strict quality management system. All products go through IQC (Incoming Quality Control), IPQC (In-process Quality Control), and OQC (Outgoing Quality Control). All inspection results are traceable and archived for long-term reliability assurance.
Q9: Do you have any standard products in stock?
A: Yes. While most of our work is custom-made, we do carry inventory of certain standard items like USB cables, DC power cables, and signal wire harnesses. These are available for quick delivery.
Q10: Can you offer environmentally friendly cable solutions?
A: Yes. We provide RoHS-compliant and REACH-compliant options using eco-friendly and halogen-free materials for clients who require green and sustainable production.
Sample
Q1: Can I request samples before placing a bulk order?
A: Yes, we highly encourage sample requests. For standard or simple items, samples may be provided free of charge (excluding shipping). For highly customized items, sample fees may apply and can be deducted from your bulk order later.
Q2: What is the typical lead time for samples?
A: For standard or in-stock samples: within 2–3 working days.
For custom-developed samples: 5–10 working days depending on complexity, design, and component availability.
Q3: Will my samples be the same as the mass production items?
A: Yes. All samples are produced using the same raw materials, techniques, and quality standards as the bulk production. This ensures consistency in performance, durability, and appearance.
Q4: Can I make changes to the sample after receiving it?
A: Absolutely. The sample stage is for validation and feedback. We encourage clients to provide suggestions for revision, and we will assist in refining the design for optimal performance and production efficiency.
Q5: Do you offer testing reports with the samples?
A: Yes. Upon request, we can provide testing reports for electrical properties (continuity, resistance, insulation), as well as any other quality inspection results.
Orders
Q1: Do you accept OEM and ODM orders?
A: Yes, we specialize in both OEM (Original Equipment Manufacturing) and ODM (Original Design Manufacturing). Whether you already have a design or need us to develop one, we can provide complete one-stop service from prototyping to mass production.
Q2: What is your minimum order quantity (MOQ)?
A: For OEM orders: MOQ is 100 pieces.
For ODM (design + production): MOQ is 1,000 pieces.
Special projects can be evaluated case-by-case for flexibility.
Q3: What’s your average production lead time?
A: For small orders and standard products: 5–7 working days.
For large or fully customized orders: 10–25 working days.
This includes procurement, assembly, testing, and final packaging.
Q4: Do you offer backup units for large orders?
A: Yes. For bulk orders, we usually provide 0.3% to 0.5% extra units as backup, ensuring you have spare parts for replacements or future use.
Q5: How is the warranty handled for defective products?
A: All products are covered by a 12–36 month warranty. If defective products exceed 0.1% of the total shipment, we offer replacement in your next order or refund after review of photo/video evidence.
Q6: Can you help with promotional materials?
A: Yes. For long-term clients, we offer support with marketing materials such as high-resolution product photos with your logo, customized packaging designs, and branding assistance.
Q7: Do you accept trial or sample orders before bulk purchase?
A: Yes. We encourage new clients to start with trial or sample orders to test our product quality, service, and responsiveness.
Q8: Can I change or cancel an order after placing it?
A: If production hasn’t started, we accept changes or cancellations. If materials have been prepared or manufacturing has started, we will discuss the best solution with you based on the status.
Q9: Do you support drop shipping or third-party logistics?
A: Yes, we can ship products directly to your designated warehouse or to your clients using your shipping labels. We also support Amazon FBA packaging.
Q10: How do I track my order progress?
A: Once your order is placed, a dedicated account manager will be assigned to you. We will provide regular updates on production, testing, packaging, and shipment status.
Payment
Q1: What payment methods do you accept?
A: We currently accept:
T/T (Bank Transfer)
PayPal (for small orders or sample fees)
We issue proforma invoices and send confirmations upon payment receipt.
Q2: Do you offer flexible payment terms?
A: Yes, for long-term clients or large orders, we offer payment terms such as 30% deposit and 70% balance before shipment. Open account terms can be considered after credit evaluation.
Company
Q1: Are you a manufacturer or trading company?
A: We are a direct manufacturer located in Shenzhen, China. Our factory has been operating for over 16 years, integrating R&D, production, and global sales under one roof.
Q2: What is your main business scope?
A: We focus on custom cable assembly and wire harness solutions. We serve industrial, automotive, communication, medical, and consumer electronics sectors, offering end-to-end support from design to delivery.
Q3: Which regions do you serve?
A: We mainly export to Europe and North America. Our products are used by several Fortune 500 companies and small-to-medium enterprises across the globe.
Q4: Do you have an in-house R&D team?
A: Yes. Our R&D team consists of experienced electrical engineers and mechanical designers who can help optimize products for better performance, compliance, and manufacturability.
Q5: Is your customer support available every day?
A: Yes. Our support team is available 7 days a week to assist with inquiries, technical support, order tracking, and after-sales service.
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