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Manufacturer of Plastic & Rubber Caps & Plugs
Since 2002, Sunring Caps has delivered high-performance protective caps and plugs for essential oil bottles, food & beverage containers, petrochemical pipelines, and industrial applications.
Since 2002, Sunring Caps Industry Inc has specialized in the design and manufacturing of high-quality plastic and rubber caps and plugs. We serve global industries including essential oils, food & beverage, petrochemicals, and industrial manufacturing.
Our expertise spans Bakelite/phenolic/urea caps, Boston-style essential oil caps, pipe and flange protectors, tapered plugs, and custom injection-molded solutions. With extensive molding capabilities, we offer a wide selection of vinyl, rubber, and plastic protective components.
Precision-engineered caps and plugs for diverse industrial, commercial, and consumer applications.
Durable plastic and phenolic caps designed for essential oil bottles and Boston round containers. Resistant to oils and solvents.
FDA-compliant caps for food-grade containers, water bottles, and beverage packaging.
Heavy-duty plastic and rubber protectors to safeguard pipe threads and flange faces during transport and storage.
High-strength, heat-resistant caps made from urea or phenolic resins for industrial and electrical applications.
Complete closure solutions for laboratory, cosmetic, and pharmaceutical bottles.
Inner seals and liners for enhanced leak protection and product integrity.
Chemical-resistant caps and plugs for oil, gas, and petrochemical pipeline systems.
Specialized caps and actuators for aerosol cans and spray containers.
From design to delivery, we offer end-to-end solutions with precision, speed, and quality.
Our engineers collaborate with clients to design molds using CAD/CAM software. We specialize in low-cost tooling with rapid prototyping and testing to ensure production readiness.
We maintain a rigorous quality management system with in-process and final inspections to ensure every cap and plug meets exact specifications.
Our ERP system enables just-in-time (JIT) inventory management and 24/7 order readiness for fast global shipping and supply chain efficiency.
We use a wide range of materials including polyethylene (PE), polypropylene (PP), PVC, rubber, silicone, and phenolic/Bakelite resins depending on application requirements.
Yes, we offer full customization including color matching (Pantone), embossing, debossing, and printing for branding and identification.
MOQ varies by product and customization level. We work with clients of all sizes and can discuss flexible options based on your needs.
Yes, we offer prototype and pre-production samples for approval before full-scale manufacturing.
Contact Sunring Caps Industry Inc for custom solutions, quotes, and technical support.
Contact: Mr. Wang
Phone: 0574-86162017
WhatsApp: 0574-86162017
Email: [email protected]
Address: Building 28, Binjiang Industry Zone, Xiaogang, Beilun District, Ningbo City, Zhejiang, CHINA, 315803
Hours: Monday - Saturday (9am - 6pm)
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