IATF 16949 certified | 30+ years of power transmission solutions
Explore Products →
IATF 16949 certified | 30+ years of power transmission solutions
Explore Products →IATF 16949 & ISO 9001:2015 Certified Factory
Raydafon Technology Group Co., Limited manufactures sprockets, chains, gear racks, couplings, pulleys, hydraulic cylinders and gearboxes from 3 production bases in Ningbo, Jiangsu and Tianjin. Founded in 2006, we ship to 120+ countries with a 98% on-time delivery rate and 24-hour engineering response.
Industry Applications
Six industries we engineer for. Each project starts with the equipment, load and working environment — not with a part number.
Case-hardened sprockets up to 2000 mm OD, ANSI/DIN/ISO roller chains, conveyor chains and ATEX-certified couplings for mining, steel mills and mineral processing.
Explore Sprockets →Gearboxes up to 180 HP, ASAE-standard PTO shafts, agriculture chains and sprockets for rotary cultivators, mowers, balers and harvesters. John Deere, Kubota and Case IH compatible.
Explore Gearboxes →Module 0.5–20 gear racks up to 6 meters, couplings up to 10,000 Nm, helical and bevel gears, timing pulleys and locking assemblies with sub-micron accuracy.
Explore Gear Racks →Air compressors 0.5–100 m³/min up to 50 bar, Class 0 oil-free certified to ISO 8573-1, Roots and screw vacuum pumps, hydraulic cylinders rated to 350 bar.
Explore Compressors →Welded steel conveyor chains, pintle and leaf chains, V-belt pulleys, timing pulleys and taper lock bushings for warehouse, packaging and food processing automation.
Explore Conveyor Chains →Send a sample or competitor part number. Our engineers measure, model in CAD, match material and heat treatment, and return a cross-reference drawing before tooling starts.
Request a Quote →Verified Credentials
Every shipment can carry dimensional inspection reports, hardness certificates and material traceability documents. Ask for them at the PO stage — not after arrival.
Engineering FAQ
Send your drawing or sample and we will respond with a technical proposal and factory-direct quotation within 24 hours.
Send Your Drawing →Yes. Up to 2000 mm outside diameter, MOQ from 10 units. ANSI, DIN, ISO and JIS tooth profiles available in case-hardened alloy steel at 45–55 HRC, stainless steel 304/316, or cast iron.
10–20 units for custom sprockets and gear racks, 5 units for air compressors. Standard stock ships in 7–14 days. Custom OEM orders: 3–6 weeks after drawing approval.
Yes. Send drawings, a working sample, or a competitor part number. We return a cross-reference drawing before tooling starts. Free feasibility review, 24-hour quote response.
Incoming raw material spectrometer analysis, in-process CMM dimensional checks, 100% final load and fatigue testing, plus random audits by our IATF 16949 certified team. Every batch ships with material certificates.
T/T or L/C with 30% deposit. FOB Ningbo or Shanghai. Our 3 regional hubs in Ningbo, Jiangsu and Tianjin ensure 3–6 week lead times for bulk orders. Repeat OEM customers can negotiate vendor-managed inventory.
Precision Power Transmission Components
We manufacture couplings designed to transmit torque, compensate for misalignment, and protect your equipment from shock loads. With decades of expertise in power transmission, our couplings are engineered to meet the demands of industrial automation, energy, and transportation. Let us help you optimize your drive systems with reliability and efficiency.
We categorize our couplings to simplify your procurement process:
Why choose Raydafon couplings?
Couplings are mechanical components that connect two shafts to transmit power while accommodating misalignment, reducing wear, and protecting connected equipment. Our designs prioritize precision, durability, and safety, making them ideal for critical applications where downtime is not an option.
Key Design Principles:
| Industry | Use Case | Why Procure Raydafon? |
|---|---|---|
| Automation | CNC machinery, robotic arms | Zero-backlash, 24/7 support |
| Energy | Wind turbines, pumps, compressors | Corrosion-resistant, shock-absorbing designs |
| Transportation | Electric vehicles, railway systems | Lightweight aluminum, high-speed performance |
| Marine | Propulsion systems, winches | ATEX-certified, saltwater-resistant |
Yes. We engineer couplings up to 10,000 Nm torque capacity, tailored to your specifications.
Flexible MOQs start at 20 units, with vendor-managed inventory for bulk buyers.
Our flexible couplings absorb angular, parallel, and axial misalignment up to 3°, reducing bearing wear.
Yes. SmartDrive IoT monitors temperature, vibration, and torque spikes in real time.
Yes. Universal designs ensure compatibility while offering 40%+ durability gains over market averages.
| Parameter | Details |
|---|---|
| Material | 42CrMo4 steel, C45 steel, stainless steel, aluminum |
| Torque Range | 10 Nm – 10,000 Nm |
| Bore Size | 10mm – 200mm (customizable) |
| Temperature Range | -40°C to +200°C |
| Certifications | ISO 9001, CE, ATEX |
At Raydafon Group, we manufacture gear racks designed to deliver precise linear motion and high load capacity for industrial machinery. With decades of expertise in power transmission, our gear racks are engineered to meet the demands of automation, robotics, and heavy-duty equipment. Let us help you optimize your motion control systems with reliability and efficiency.
We categorize our gear racks to streamline your procurement process:
Why choose Raydafon gear racks?
Gear racks are critical components that convert rotational motion into linear motion, often paired with pinion gears. Our designs prioritize precision, durability, and smooth operation, making them ideal for applications requiring exact positioning and heavy load management.
Key Design Principles:
| Industry | Use Case | Why Procure Raydafon? |
|---|---|---|
| Automation | CNC machinery, robotic arms | Sub-micron accuracy, 24/7 support |
| Material Handling | Conveyors, lifts, shuttle systems | High load capacity, corrosion-resistant options |
| Aerospace | Precision actuators, positioning stages | Lightweight aluminum, helical tooth designs |
| Defense | Turret systems, missile launchers | Shock-resistant steel, extreme temperature performance |
Yes. We produce racks up to 6 meters in length, with precision cutting and finishing.
Flexible MOQs start at 10 units, with vendor-managed inventory for bulk buyers.
Cryogenic treatments and heat-resistant coatings enable operation from -40°C to +200°C.
Yes. SmartDrive IoT monitors tooth wear, alignment, and lubrication in real time.
Yes. Universal designs ensure compatibility while offering 40%+ durability gains over market averages.
| Parameter | Details |
|---|---|
| Material | 42CrMo4 steel, C45 steel, stainless steel, aluminum |
| Module Range | 0.5–20 (DP 64–1) |
| Max Length | 6,000mm (customizable) |
| Certifications | ISO 9001, CE, RoHS |
We manufacture air compressors designed to deliver high-efficiency, low-maintenance compressed air for industrial, commercial, and specialty applications. With decades of expertise in power transmission and fluid dynamics, our compressors are engineered to optimize energy use, reduce downtime, and meet the stringent demands of modern manufacturing. Let us help you upgrade your pneumatic systems with cutting-edge technology.
We categorize our air compressors to simplify your procurement process:
Why choose Raydafon air compressors?
Air compressors convert power into potential energy by compressing air, which is then used to operate tools, machinery, and processes. Our designs prioritize energy efficiency, reliability, and low noise, making them ideal for 24/7 operations where uptime and cost control are critical.
Key Design Principles:
| Industry | Use Case | Why Procure Raydafon? |
|---|---|---|
| Automotive | Paint spraying, tire inflation, assembly tools | VSD technology, 24/7 reliability |
| Food & Beverage | Bottling, packaging, fermentation | Class 0 oil-free, ATEX-certified |
| Medical | Ventilators, dental tools, lab equipment | Ultra-clean air, whisper-quiet operation |
| Construction | Jackhammers, nail guns, concrete finishing | Portable, diesel-driven models |
Yes. Our reciprocating compressors are ideal for small-scale, on-demand applications.
Flexible MOQs start at 5 units, with vendor-managed inventory for bulk buyers.
VSD technology adjusts output to demand, cutting bills by up to 35%.
Yes. SmartDrive IoT monitors vibration, temperature, and oil quality in real time.
Yes. Universal designs ensure compatibility while offering 40%+ durability gains over market averages.
| Parameter | Details |
|---|---|
| Technology | Reciprocating, rotary screw, centrifugal |
| Pressure Range | 5–50 bar (customizable) |
| Flow Rate | 0.5–100 m³/min |
| Certifications | ISO 9001, CE, ATEX, Class 0 Oil-Free |
Global Leader in Power Transmission & Industrial Drive Solutions
Raydafon Technology Group Co., Limited is a China-based ISO 9001:2015 certified manufacturer of industrial power transmission components, established in 2006 in Ningbo, Zhejiang — China's premier precision manufacturing region.
For 20 years, we have engineered and supplied sprockets, roller chains, conveyor chains, gearboxes, gear racks, couplings, and related transmission components to industrial buyers in 100+ countries. Our products meet ANSI, ISO, DIN, and JIS dimensional standards.
As a factory-direct supplier, we offer competitive pricing, low MOQ, OEM and ODM customization, and engineering consultation from drawing to delivery. CE-certified products available for European markets; ATEX-rated components available for hazardous environments.
Transmissions China is your direct link to 20 years of precision manufacturing expertise — no middlemen, no compromises.
| Founded | 2006 |
| Manufacturing Bases | 3 (Ningbo, Jiangsu, Tianjin) |
| Employees / R&D | 280+ / 35+ |
| Certifications | IATF 16949, ISO 9001, CE, ATEX |
| Export Countries | 100+ |
| On-Time Delivery | 98% |
Fill out the form below, and our engineers will respond within 24 hours with a tailored solution for your project.
Stay informed with the latest trends in power transmission, gearbox technology, and automation solutions
Aisin and BorgWarner are rolling out AI-controlled transmissions that adapt to driving patterns in real time, improving fuel efficiency by up to 8%. The tech, already in select luxury cars, will soon expand to mainstream models. Experts predict widespread adoption by 2026.
Toyota has introduced a hydrogen-compatible transmission for its fuel-cell trucks, reducing emissions without sacrificing performance. The new design improves durability and energy recovery, targeting long-haul logistics. Trials begin in 2025, with commercial production expected by 2027.
German auto supplier ZF has launched a new compact e-drive transmission for EVs, boosting efficiency by 10% and extending range. The system supports 800V architecture, enabling faster charging. Major automakers, including BMW and Jaguar, are already testing the technology for future electric models.
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