
Automotive fluid-line specialists
Precision hosesfor every reliable mile
Nuotong designs and manufactures automotive hoses, rubber seals, anti-vibration parts and nylon connectors in EPDM, silicone, natural rubber, nitrile and nylon. With compounding, tooling, vulcanization and testing under one roof, we deliver consistent, customizable parts for OEM and aftermarket customers.
- Built to drawing or sample
- End-to-end quality control
- Serving customers worldwide
2010
Founded in Qinghe, Hebei
14+
Rubber & plastic part types
-60~250°C
Silicone hose temp. range
24h
Inquiry response time
Core products
Four product series across the vehicle
From intake, cooling and fuel lines to seals, anti-vibration parts and nylon quick connectors — one source for OEM and aftermarket needs.
01Hoses
Air, oil, air-filter and silicone hoses for intake, charge-air, cooling and fuel lines.
View allSeals & protection
Gaskets, rings, boots, caps, sleeves and silicone guards that keep dirt and water out and fluids in.
View allAnti-vibration
Rubber mounts, bushings and pads — natural rubber bonded to steel to isolate vibration and noise.
View allWhy Nuotong
We treat every hose as part of vehicle safety
Proven quality
Incoming, in-process and final inspections keep dimensions, pressure and temperature performance consistent batch after batch.
Compounds & process
EPDM, VMQ, NBR and FKM formulations matched to coolant, fuel, oil vapor or hot charge air.
Fast customization
Development from drawings, samples or 3D data, with tooling, prototyping and pilot runs closely linked.
Global service
A bilingual team supports customers at home and abroad with technical advice, packaging and export logistics.
Manufacturing
From raw compound to a finished hose
- 01
Compounding
Formulas designed for media and temperature, then mixed to a uniform compound.
- 02
Extrusion / wrapping
Inner tube, reinforcement and cover built up layer by layer.
- 03
Molding & curing
Shaped on mandrels and vulcanized for stable complex geometry.
- 04
Finishing & assembly
Ends trimmed; clamps, rings and fittings assembled as required.
- 05
Testing & shipping
Dimension, seal and pressure checks before packing and dispatch.
Applications
Built for many vehicles and duty cycles
Passenger cars
Radiator, heater and air-intake hoses
Trucks & buses
Charge-air cooler and turbo silicone hoses
New energy vehicles
Battery thermal-management and e-drive cooling lines
Construction & agriculture
Durable cooling and auxiliary lines
Performance & racing
Multi-color silicone hoses, reducers and elbows
Aftermarket
Standard sizes in volume, fully interchangeable

About Nuotong
Rooted in a Chinese auto-parts manufacturing hub
Nuotong is based in Qinghe County, Hebei, home to a complete rubber and auto-parts supply chain. Local supply and years of manufacturing experience let us combine reliable delivery with flexible customization.
- Modern standardized plant
- Complete local rubber supply chain
- R&D, production and testing in one place
News
Latest from Nuotong
Automechanika Shanghai 2026 runs 2–5 December
The 20th Automechanika Shanghai will take place at the National Exhibition and Convention Center (Shanghai), with around 7,600 exhibitors expected.
Read moreEuro 7 starts in November: what component exporters should know
The EU Euro 7 regulation applies to new types of cars and vans from 29 November 2026, with heavy-duty vehicles following in 2028.
Read moreSeven factors of hose selection: the STAMPED method
The wrong hose can mean early failure or a safety risk. The industry’s STAMPED checklist helps you define requirements before requesting a quote.
Read moreHave a drawing or sample? Let us quote it.
Tell us the application, media, temperature and pressure requirements. Our engineers will reply with a proposal and quotation within 24 hours.