Background
As an experienced pickle jar supplier, Yeboda was contacted by a Japan-based pickle brand producing premium tsukemono for supermarkets and convenience stores. The brand needed a dependable pickle jar supplier that could support fast-growing demand without compromising sealing quality or production speed. They customized pickle jars with ultra-clear flint glass, a wide-mouth round body, a reinforced heel, and a twist-off metal lid with acid-resistant food-grade liner. The client chose Yeboda because we provide stable lead times, precise dimensional control for automated capping, and strong mold development support for long-term supply.
Challenges
Filling Line Bottlenecks
The brand’s packing line slowed down due to inconsistent jar mouth dimensions, which caused frequent lid misalignment and re-capping.
Rising Defect Rate in Peak Season
During peak production, jars showed occasional lip chips and micro-cracks, increasing rejection rates and delaying shipments.
Cause Analysis
Yeboda’s engineering team performed dimensional inspections and line simulation tests and confirmed the key causes:
- Neck finish tolerances were too wide for high-speed capping, leading to torque instability.
- The jar mouth edge lacked sufficient strengthening, making it vulnerable during sorting and capping impact.
Solution
Precision Neck Finish Control
We upgraded the neck ring tooling, tightened tolerance control, and introduced go/no-go gauges for every production batch to ensure stable sealing.
Strengthened Mouth & Handling Improvements
Yeboda applied a reinforced rim design and optimized annealing to reduce internal stress. We also improved carton dividers and tray loading to prevent lip damage before filling.
Results
The customer’s capping speed increased by 22%, while rejection rates dropped by over 60%. The Japan brand eliminated its production bottlenecks and secured stable supply for expansion—confirming Yeboda as a long-term pickle jar supplier for high-performance pickle jars.
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