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Help CenterCustom Plastic Injection Molding Service for Ribbed Screw Caps Used in Cosmetic and Pharmaceutical Packaging
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Changzhou Hongxinyutai Precision Mold Co., Ltd. has been a trusted manufacturer of custom plastic injection molding solutions since 2017. With a dedicated team of 51–100 skilled professionals and a factory spanning 1,000–3,000 square meters, we specialize in producing high-precision ribbed screw caps tailored for the cosmetic and pharmaceutical industries. Our TS16969-certified processes ensure that every cap meets rigorous quality standards, delivering both functional excellence and aesthetic appeal.
Our ribbed screw caps are designed to provide a secure, leak-proof seal while offering an ergonomic grip for easy opening and closing. Whether you need caps for lotion bottles, shampoo containers, medicine vials, or serum dispensers, our injection molding service can customize every aspect — from material selection to color matching and surface texture.
Key Features & Technical Specifications
- Ribbed Design: Enhanced grip texture prevents slipping, even with wet or oily hands.
- Customizable Dimensions: Diameters from 15mm to 50mm, heights from 10mm to 30mm, with precise tolerances of ±0.05mm.
- Material Options: PP, PE, ABS, PET, and more — food-grade and pharmaceutical-grade available upon request.
- Color Matching: Support Pantone, RAL, or custom color matching with UV-resistant pigments.
- Surface Finishes: Glossy, matte, frosted, or textured to match your brand identity.
- Mold Life: High-quality steel molds with a lifespan of 500,000 – 1,000,000 cycles.
- Lead Time: Sample mold in 15–20 working days; production molds in 25–35 working days.
| Parameter | Value | Remarks |
|---|---|---|
| Material | PP, PE, ABS, etc. | Customizable |
| Diameter Range | 15mm – 50mm | Other sizes upon request |
| Height Range | 10mm – 30mm | Custom |
| Tolerance | ±0.05mm | High precision |
| Mold Life | 500,000 – 1,000,000 cycles | Steel mold |
| Certification | TS16969 | Quality management |
Advantages for Cosmetic & Pharmaceutical Packaging
- Leak-proof sealing: Precision-engineered threads ensure a tight seal that prevents spills and contamination.
- Child-resistant options: Available with special locking mechanisms for safety, meeting regulatory requirements.
- Brand differentiation: Custom colors, logos, and textures help your product stand out on retail shelves.
- Eco-friendly materials: We offer recycled PP and PCR materials to support sustainable packaging goals.
- Cost-effective production: Multi-cavity molds reduce per-unit cost while maintaining consistent quality.
Every step of our production — from mold design to final inspection — is supervised by experienced engineers. We use advanced CNC machines and EDM technology to achieve tight tolerances and smooth surface finishes. Our in-house quality lab performs dimensional checks, drop tests, and torque tests to ensure caps meet your exact specifications.
Trust & Reliability
Since 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. has grown into a global supplier serving markets across North America, South America, Europe, Southeast Asia, Africa, and Oceania. Our factory covers 1,000–3,000 square meters and is equipped with 20+ injection molding machines ranging from 80T to 350T. We hold TS16969 certification, which reflects our commitment to quality management and continuous improvement. With a skilled team of 51–100 employees, we handle orders from small prototypes to mass production volumes of millions of units per month. All products are shipped from major ports: Jiangsu, Shanghai, and Shenzhen.
We invite you to experience our reliable service, competitive pricing, and fast turnaround. Whether you need a standard ribbed cap or a completely custom design, our team is ready to support your project from concept to delivery. Contact us today for a free quote and sample!
Frequently Asked Questions (FAQ)
- What is the minimum order quantity (MOQ) for custom ribbed caps? Our MOQ for custom molds is 1 set, and for production orders it typically starts at 10,000 pieces. However, we can discuss smaller quantities for prototype or trial runs.
- How long does it take to develop a new mold? Sample mold delivery takes 15–20 working days; production molds take 25–35 working days, depending on complexity.
- Can you match my specific color or brand logo? Yes, we offer Pantone and RAL color matching, and we can add embossed or debossed logos on the cap surface.
- What materials are safe for pharmaceutical packaging? We use FDA-approved virgin PP, PE, and PET that are suitable for drug contact. Material certificates are available upon request.
- Do you provide child-resistant (CR) or tamper-evident (TE) features? Yes, we can design caps with CR mechanisms and TE bands to meet safety standards.
- How do you ensure quality consistency during mass production? We use SPC (Statistical Process Control) and conduct 100% visual inspection plus random dimensional checks. Every batch comes with a quality report.
- Can I get samples before placing a large order? Absolutely. We provide free samples for existing designs, and for custom designs, a sample mold fee applies — refundable with production orders.
- What shipping methods do you offer? We ship via sea, air, or express (DHL, FedEx, UPS) from Shanghai, Jiangsu, or Shenzhen ports. We can also arrange door-to-door delivery.
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