RUIAN CHINO AUTO ELECTRIC FACTORY · 14 Years of Experience
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Flasher unit with the pin layout printed on the case so the fitter can check the connector
Industry

Passenger Bus Operators

City buses and coaches operate under continuous electrical load throughout the day. Turn signals flash at every stop, wipers run in rain and fog, and door circuits cycle with every passenger boarding. The components most prone to

The Problem

What Goes Wrong in This Application

Pain Points

  • Flasher units that fail due to high duty cycle on daily urban routes
  • Wiper relays losing intermittent function during prolonged wet weather
  • Battery switch relays that overheat under constant 24V load
  • Back lamp switches that fail from repeated door opening and closing
  • Depots forced to stock multiple part numbers for the same vehicle model
  • Long lead times on older coach chassis still in active service

What Buyers Need

  • A single supplier who can quote a full electrical parts list using OEM numbers
  • Plug-in replacements that match the original connector and pin count
  • Consistent part numbers across multiple vehicle models for depot standardisation
  • Packaging suitable for warehouse storage and depot pick lists
  • A warranty that covers parts stored on shelf, not just those already installed
Where They Are Fitted

Typical Scenarios

  • Depot maintenance replacing flasher units across a fleet of YUTONG coaches
  • Breakdown van carrying spare relays and switches for a scheduled route
  • Body builder installing door and lighting circuits on a new JAC passenger bus
  • Operator standardising one back lamp switch model across mixed fleet of STEYR and HONGYAN buses
Process

How an Order Runs

Send the OEM numbers or photographs of the original units from the vehicles in service

We confirm the pin count, voltage and application against each part and provide a full quote

Free samples are sent so the depot can fit and test before placing a volume order

Order confirmed with packing, labelling and delivery date agreed in writing

All units are function tested before delivery and shipped as one consolidated order

Commercial Terms

Delivery and Terms

  • 7 to 10 working days on fast moving items held in stock
  • Up to 40 days on production orders
  • Neutral, customer branded or CHINO packaging
  • T/T, D/P, L/C, PayPal, Western Union or Alibaba Trade Assurance
  • 12 month warranty from B/L date
Questions Buyers Ask

Questions From Passenger Bus Operators Buyers

Can you supply parts for older coach models still in service?

Yes. Use the number on the original unit, not the chassis year. Send us the number and a photo of the connector and we will confirm if it is in the catalogue.

Do you supply samples before a fleet order?

Yes. Samples are free of charge and you cover the freight. Fit and test them on a vehicle before placing the volume order.

What is the minimum order quantity?

10 pcs per catalogue item. Small trial orders are accepted.

How are the parts tested?

Every part is 100% leakage tested and performance parameters are checked in our in-house laboratory. Production follows the IATF 16949:2016 documented process.

Can we order a mixed list of relays, switches and sensors together?

Yes. Depots usually consolidate one order across several part numbers. Send the list of OEM numbers and we quote it as a single shipment.

What warranty applies to parts stored in depot?

12 months from the B/L date, so stock held in stores is still covered when it is fitted.

What voltage and pin count do you match?

We match the original voltage and pin count exactly.

Send Your Passenger Bus Operators Parts List

Give us the OEM numbers from the vehicles in service. We confirm each one, send free samples, and quote the whole list as one order.