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Plastic Spout Capsfor Stand-Up Pouches
Food-grade spouts and caps from 1.8 to 40 mm, leak-proof and fully customizable with in-house molds.
Certified food-contact safety




What we make
Plastic Spout Caps, Every Diameter and Type
Spout caps are our core product — from 1.8 to 40 mm. Browse by category, exact size or cap type; molds, sealing machines, handles and rails follow below.
Spout cap categories
Common Shape Spout Caps
Our most universal series in 100% food-contact PE (8.6 / 9.6 / 10 / 18 mm and more), with stable, anti-leak sealing for honey, fruit juice, jam, yogurt, puree and baby-food pouches. PP versions hold up to retort-pouch temperatures.
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Cosmetics / Makeup Spout Caps
Food- and cosmetic-grade PP/PE caps in compact small calibers (1.8 / 5 / 6 / 7 mm) for shampoo, skincare essence, lotion, makeup remover and facial-cleanser refill pouches — sized for portable, on-the-go stand-up packaging.
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Detergent / High-Corrosive Spout Caps
Modified anti-corrosion PE that resists alkaline detergent, bleach and cleaning chemicals, with a thickened thread and sealing structure that prevents corrosion leakage over long-term contact. Built for laundry detergent, fabric softener, dish soap, disinfectant and industrial refill packs.
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Special Shape Spout Caps
A custom-design series — whale-tail, square-flower, flip-top, hex-ball, leaf, dome and other personalized shapes. Supports OEM mold opening, custom colors and embossed logos, with either a fully detachable screw lid or an integrated tethered flip lid to meet different market rules.
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Browse by exact size
Browse by type
Anti-Choking / Child-Proof
Mushroom-head safety caps
Dual Anti-Theft
Double tamper-proof ring
Flip-Top
One-hand open and close
Long-Nozzle Spout
Deep-fill, precise pour
Foil / Induction Seal
Tamper-evident liner caps
Low-Temperature Sealing
For recyclable mono-PE pouches
Cosmetic Brush Spout
Built-in applicator brush
Other product lines
Trusted by Leading Brands












OEM & ODM
Custom Spout Caps, OEM and ODM
In-house mold R&D over 30 years. We open custom molds of spout caps for your pouches — from concept to mass production under one roof.
- 38
- Patents
- 30+ yrs
- In spout molds
- 1.2–40 mm
- Diameter range
How a custom project runs
- 1
Design
Share your pouch, contents and target spout diameter — we draw the spout cap, and make 3D samples for confirmation.
- 2
Mold
We cut a dedicated mold in-house, backed by 38 patents and more than 30 years of spout-mold experience.
- 3
Sample
Test samples for fit and leak-proofing before tooling sign-off.
- 4
Mass Production
Stable output on 130+ machines with AI automatic inspection.
Why source from us
Why Choose Ruihua
No Optical Brighteners
Food-grade PP/PE with no fluorescent agents. Many factories fail food tests on this — our color masterbatch passes without them.
Class-300,000 Cleanroom
Double-door, food-grade dust-free workshop with no cartons inside — the food-contact point global brands check.
Corrosion-Resistant Formulas
Self-developed formulas hold up to corrosive detergents and acids, staying leak-proof where others fail.
360° AI Inspection
Multi-camera AI checks every spout top-to-bottom and auto-rejects black spots and dust, with daily batch re-inspection.
In-House Test Equipment
Self-built high/low-temperature, pressure, airtightness and torque rigs guarantee sealing — rivals come to buy them.
Own Mold Factory & CNC
China’s earliest spout-cap mold maker with its own mold factory and strong CNC — full OEM / ODM.
Capacity & Material Stock
130+ injection machines with high automation, backed by an ample raw-material reserve to secure your lead time.
University R&D Partnership
Joint material and mold research with Shantou University and the Guangdong Technion (GTIIT) — industry-academia development.
Green Manufacturing
70,000 m² workshop powered by rooftop solar, aligned with China’s dual-carbon goals.
Our capabilities
Inside Our Factory
70,000 m² dust-free workshops — injection molding, automatic capping, feeding, AI inspection and an in-house mold room, all under one roof.






Good to know
Frequently Asked Questions
Yes. Our spout caps are made of food-grade PP and PE, free from optical brighteners and fluorescent agents, and certified to ISO 9001, HACCP, FDA and EU 1935/2004 (TÜV SÜD) for direct food contact. We also hold the National Industrial Product Production License (QS) for food-use plastic packaging and work to our own corporate standard, Q/STRH.











