Founded in 2005, Ningbo Beilun Boguan Plastic Packaging Materials Co., Ltd. is a professional manufacturer of high-quality plastic packaging for the bottled water and beverage industry. Our main products include 5-gallon water smart caps, beverage closures, and customized bottle caps.
We prioritize safety and quality. All food-grade PE raw materials, injection molding equipment, and precision molds are sourced from leading domestic suppliers. Most of our products are produced through fully automated, contact-free processes, ensuring hygiene and consistency. For higher-grade packaging, we operate cleanroom workshops and apply strict quality control in line with ISO9001 standards.
Our products are safe, reliable, and internationally certified, having passed European SGS testing and China GB 9687-1988 Hygienic Standards for food packaging.
With strong technical expertise, modern production facilities, experienced management, and over a decade of export experience, Boguan has become a trusted partner for global clients. We are dedicated to delivering innovative, reliable, and customized packaging solutions to help our customers grow.
Boguan — Your Reliable Partner in Safe and Innovative Packaging.
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The raw materials for producing 5-gallon water bottle caps are strictly purchased in accordance with the national standard GB4806.7. The main requirements and physical and chemical indicators include the safety of raw materials, logistics performance, chemical stability, hygiene requirements, traceability, etc. At the same time, they also meet a series of standards set by the United States (FDA) to ensure food safety and consumer health.
The injection molding material for 5-gallon water bottle caps is low-density polyethylene (LDPE) and thermoplastic elastomer (TPE) two-component plastic injection molding. Two-color injection molding involves injecting two different plastics into an injection mold, with two cavities corresponding to one finished component, achieving precise injection molding.
The semi-finished assembly of 5-gallon water bottle caps is carried out throughout the entire process in a clean workshop. The assembly equipment, labeling equipment, visual inspection equipment, and combination equipment are all fully automated, with no direct human contact. The cleanliness, temperature, and humidity of the products are strictly controlled to produce perfect bottle caps.
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