Finding a reliable glassware factory in China is a huge challenge. Many buyers lose money because of late deliveries or poor quality. This makes your retail brand look bad and costs you customers. I wrote this guide to help you find the best partner for your business. To choose the best China glassware factory for OEM, you must check ten things. These include their history, OEM skills, design options, and safety papers like FDA or LFGB. You also need to look at their daily output, quality checks, MOQ, lead times, costs, and communication style.