RFQ
Mixed-SKU auto parts orders: a checklist for importers and distributors
Keep item references, quantities, carton allocation and labels aligned when requesting several automotive parts in one B2B inquiry.
Read guide ↗SHIRE / Buyer guides
Make a better-informed parts inquiry.
Practical checklists for importers, distributors and workshop buyers. Start with the reference, confirm the specification and put the requirements in writing.
Download RFQ checklist (English / 中文) ↓Bulk purchasing and supplier coordination
RFQ
Auto parts sample approval: handing requirements over to a bulk order
Create a traceable sample decision with the exact item, evidence, permitted differences and questions still open before discussing a bulk purchase.
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Sourcing from Ruian
Sourcing auto parts from Ruian, China: a buyer’s practical checklist
Understand Ruian’s auto parts industry, compare supplier roles and prepare a clear product-and-quantity inquiry for your next sourcing conversation.
Read guide ↗RFQ
How to prepare an auto-parts RFQ: samples, packaging and shipment requirements
A structured inquiry checklist for quantities, references, sample approval, labels, packing and destination, with a downloadable blank worksheet.
Read guide ↗Switches
OE / SKU
How to check OE references before buying automotive electrical parts
A buyer’s checklist for full OE numbers, connector evidence and written confirmation, with two real headlamp-switch catalog examples.
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Switches
Ordering truck switches: connector, controls and mounting checks
A purchasing checklist for headlamp, window and lighting switches, focused on OE references, connector photos and required control functions.
Read guide ↗Relays & controllers
12V / 24V
Buying automotive relays: voltage, layout and specification checklist
What to confirm when sourcing 12V or 24V relays: the exact reference, coil voltage, contact arrangement, ratings and connector evidence.
Read guide ↗Heating control valves
Heating control valves
Buying heater control valves: references, connections and order details
Prepare a heater valve inquiry with the original reference, connection photos, control details and purchasing requirements. Compare real SAP catalogue examples without assuming interchangeability.
Read guide ↗Browse by function
Headlamp switch 14Emergency light switch 1Parking brake switch 4Switch 19Door window switch 50Power window switch 3A/C control panel — OFF 3A/C control panel — ON 4A/C control panel — OFF, with sensor 1A/C control panel 17Hazard & lighting switch 7Electronic controller 4Trailer brake switch 7Heater control valve 22Heater damper motor 3Headlamp relay 1Flasher relay 102Wiper relay 10Relay 66Thermo amplifier 1Power relay 12Glow plug relay 2Delay relay 1Power cutoff switch 3