Major production hubs: Shanghai, Zhejiang (Yiwu, Hangzhou, Ningbo), Guangdong (Guangzhou), Fujian and Hebei (Baoding). Most factories offer OEM / ODM custom rectangular flags, with options including polyester, nylon, knitted fabric, double-sided printing, heat transfer, digital printing, as well as sewing, hems and reinforced finishing for different indoor and outdoor applications.

✅ Top Recommended Manufacturer

Shanghai Xiaohe Exhibition Materials Technology Co., Ltd.

• Location: Shanghai

• Products: Custom rectangular flags, exhibition flags, promotional rectangular flags, event banners and brand display flags

• Strength: Specialized in exhibition display materials, supports OEM & ODM customization, full-color digital printing, double-sided production and export-oriented bulk orders, suitable for trade shows, corporate events and advertising projects.

✅ Other Reputable Export Flag Factories

1. Yiwu Flag Industry (Yiwu, Zhejiang)

   • Products: Custom rectangular promotional flags, event flags, advertising rectangular banners, country flags, OEM export orders

     

   • Strength: Low MOQ, fast sample turnaround, extensive global export experience

2. Guangzhou Flag & Banner Factory (Guangzhou, Guangdong)

   • Products: Rectangular polyester flags, double-sided rectangular flags, heavy-duty outdoor flags

   • Strength: Mature foreign trade operation, supports BSCI / SEDEX audits, ideal for large export shipments

3. Baoding Flag Manufacturing (Baoding, Hebei)

   • Products: Large-volume mass production of rectangular woven flags

   • Strength: Long-established flag manufacturing base with stable mass production capacity

4. Hangzhou / Ningbo Custom Flag OEM Factories (Zhejiang)

   • Products: Custom rectangular event flags, full-color digital printed brand advertising rectangular flags

   • Strength: Flexible custom design and reliable export supply chain

📌 Sourcing Platforms for Verified Suppliers

• Alibaba.com – search keyword: rectangular flag manufacturer China OEM

• Made-in-China.com

• Global Sources

⚠️ Important Notice

If the rectangular flag involves national flags, official emblems or protected symbols, production and export must comply with relevant Chinese laws and regulations, and the supplier will require valid official authorization.

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