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News
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Weight vs. Sustainability: Finding the Balance in Custom Glass Water Bottle Design: 2026 Expert Guide for Global Buyers
Read moreThe glass packaging industry is undergoing a transformation driven by sustainability mandates, premiumization, and technological innovation. As a leading manufacturer with 15 years of experience, Zhonghai Glass has witnessed these shifts firsthand. From our fully automated facility in Shandong, China, we produce up to 800,000 glass units daily, serving brands across the USA, Russia, and […]
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2026 Pro Guide: Key Factory Testing Steps to Ensure Leak-Proof Seals for Spirits Glass Bottles
Read moreLeak-proof seals are critical for spirits glass bottles, ensuring product integrity from factory to consumer. At Zhonghai Glass, we leverage 15 years of expertise to implement rigorous testing that meets the demands of global markets. This article walks through the essential steps, methods, and innovations in seal integrity testing. What Are the Key Factory Testing […]
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How to Choose the Right Glass Flint Grade for Premium Spirits Bottles (Extra Flint vs Super Flint): 2026 Expert Guide for Distillers & Brand Owners
Read moreIn the premium spirits industry, the bottle is far more than a container—it’s the first handshake with the consumer. The clarity of the glass, often described by terms like Extra Flint and Super Flint, can make or break a brand’s shelf appeal. At Zhonghai Glass, we’ve spent 15 years perfecting the art of glass packaging […]
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Water Glass Bottle in Italy: 2026 Professional Sourcing & Trends Guide for Buyers
Read moreImporting water glass bottle products from Italy remains a popular choice for brands seeking European elegance. But in 2026, the landscape has shifted due to new EU regulations, fluctuating shipping costs, and the rise of high-precision Asian manufacturing. Whether you're a beverage startup in California, a distributor in Moscow, or a retailer in Berlin, this […]