PPJR / 01
Plastic threaded plugs
External-thread plugs for matching ports. Confirm the required variant, with or without an O-ring.
JINGRUI · COMPONENT PROTECTION
Plastic Protective Caps, Plugs & Sleeves Manufacturer
Protect ports, ends and splines through manufacturing, handling and assembly. Source standard protective components or discuss a drawing-based part directly with our factory.
PP / PE / EVAMultiple sizesDrawing-based parts
MADE FOR THE DETAILS.
01 / Plastic threaded plugs
02 / Mushroom rebar caps
14 / Grease nipple dust capsFROM ZHUJI TO YOUR PRODUCTION LINE↗
THREADED PLUGSREBAR CAPSDUST COVERSPROTECTIVE SLEEVES
01 / PRODUCT COLLECTION
Start with our core range.
PPPEJR / 02
Mushroom rebar caps
Mushroom-shaped caps selected by rebar diameter range. Confirm color when requesting a quote.
PEJR / 14
Grease nipple dust caps
One-piece cap, tether and retaining ring. Standard and thick variants. Metal grease nipples are not included.
Our injection molding workshopFROM OUR FACTORY / EST. 2002
From molding to machining.
Work directly with the factory.
Based in Diankou, Zhuji, Zhejiang, Jingrui manufactures plastic protective components and machined parts for steering-system applications. Our factory and warehouse support specification checks, drawing-based development and batch supply.
2002Established
1,000 m²Approx. factory area
8Injection molding machines
SOURCING, SIMPLIFIED
A clearer path from selection to supply.
Choose a product
Check material, dimensions, mating thread and application.
Share your requirements
Send quantity, color, packaging and destination. Include drawings for custom parts.
Confirm the quotation
We confirm samples, stock, freight and lead time before the order.
Have a specification or drawing?
Start here.
Tell us the product, quantity and destination for a tailored quotation.
Request a factory quote ↗