China has long stood as the global production hub for custom rectangular flags, with flag printing and sewing factories clustered mainly in Jiangsu, Shandong, Guangdong and Zhejiang. Most suppliers provide flexible OEM and ODM services, digital dye sublimation printing, custom sizing and diversified finishing work for national flags, promotional banners, hand-held flags, garden flags and event backdrop flags.

Main Verified Factories

1. Shanghai Xiaohe Exhibition Materials Technology Co., Ltd. (Shanghai) Our primary recommended supplier. A professional exhibition and printing manufacturer focusing on custom rectangular flags and display banners. It runs imported high-resolution printing equipment and supports dye sublimation, UV and large-format inkjet printing. The factory accepts low minimum order quantities starting from 1 piece, delivers consistent Pantone color matching, single-sided and double-sided permeated printing. It offers one-stop packages including flag fabric, brass grommets, header sleeves, matching poles and base accessories. Its rectangular flags are widely used for trade shows, corporate branding, sports competitions and outdoor promotional campaigns, with stable export service to North America, Europe and Oceania.

2. Tenok Flag (Wuxi, Jiangsu) Direct factory, specializes in rectangular flags ranging from small hand flags to standard 3脳5ft outdoor flags. Low MOQ (1pc available), one-stop supply including flagpoles, grommets, sleeves. Supports live factory inspection.

   

3. Johnin Flag (Shandong) Large-scale flag manufacturer, Sedex & Coca-Cola audited. Monthly output up to 1.9 million flags, produces country flags, military flags, custom rectangular banners for global wholesalers.

4. Changzhou Onestopflag Co., Ltd. (Changzhou, Jiangsu) Digital printing factory with Mimaki printers. Pantone color matching, double-sided penetration printing. Main products: rectangular advertising flags, national flags, banner sets with poles and bases.

5. Linyi Aozhan Import and Export Co., Ltd. (Linyi, Shandong) Focus on wholesale rectangular national flags, hand waving flags, string bunting flags. Fast response, delivery within 15 working days for bulk orders.

   

6. Foshan Yaoyang Flag Co., Ltd. (Foshan, Guangdong) Custom promotional rectangular flags, garden flags, pennants. Suitable for retail, event and brand promotion orders.

7. Weifang Ronning Industry Co., Ltd. (Weifang, Shandong) Outdoor rectangular banner & flag producer, with complete sewing and digital printing lines, supplying flag kits for trade shows and sports events.

Common Materials & Specifications

• Fabric: 100D/110D/150D knitted polyester (most popular), 210D oxford, satin, cotton
• Standard sizes: 3脳5ft (90脳150cm), 2脳3ft, 4脳6ft, 5脳8ft; custom sizes accepted
• Finishing: brass grommets, header sleeve, double stitching, single-sided / double-sided permeated printing
• Application: national flags, business advertising, sports games, event exhibitions, garden decoration, hand flags

Procurement Platforms

• Made-in-China.com
• Alibaba.com
• Direct factory official websites

Tips for Buying

• Confirm penetration printing if you need double-sided clear patterns (not just two separate stickers)
• Specify grommet quantity, header type and wind resistance for outdoor long-term use
• Ask for free sample before bulk production

Disclaimer: This article is for industry reference only, not commercial promotion. Buyers shall verify factory qualification, sample quality and delivery terms independently before placing orders.

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