What quality issues should we be aware of when sourcing glass bottles from Chinese suppliers?

Members report consistent quality problems with Chinese glass suppliers that require careful vetting. **Greasy bottles** are a frequent issue—several members experienced bottles arriving with a greasy residue requiring machine washing before use. **Inconsistent neck sizes** is another documented problem, leading to leaking bottles when caps or stoppers don't fit properly. **Poor stopper quality** has also been noted alongside the bottle defects.

Members have identified some Chinese suppliers worth investigating or avoiding: - **Xuzhou Moaya Glass** — used by at least one member; experienced the greasy bottle and poor stopper issues mentioned above - **Xilong, Rockwood, and Fusion** — mentioned in prior community research on Chinese glass suppliers - **Rawlings and Couch** — one member asked for feedback and contact details, suggesting this supplier was being evaluated

The consensus is that success stories do exist with Chinese suppliers, so reliable options are out there, but thorough supplier vetting is essential to eliminate unreliable ones from your shortlist. Members recommend checking references and samples carefully before committing to larger orders.