20" Round 22L Heavy-Duty Umbrella Base – Dual Locking Screw Design for Extra Security (Black HDPE)

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Taizhou Qingkong Leisure Products Co., Ltd. is a leading manufacturer specializing in high-quality outdoor leisure furniture, sun umbrellas, tents, and more. Located in Linhai, Taizhou, Zhejiang Province, our 8,000-square-meter factory is equipped with state-of-the-art facilities for cutting, metalworking, sewing, assembly, and warehousing, ensuring complete control over the entire production process. With a dedicated team of professionals and advanced production lines, we take pride in delivering stable quality, innovative designs, and efficient service to our clients worldwide.

Whether you're looking for durable outdoor furniture, stylish sun umbrellas, or versatile tents, we combine craftsmanship, sustainability, and competitive pricing to meet your needs. At Taizhou Qingkong, we are committed to providing exceptional products and services that enhance outdoor living experiences.

Enhanced Stability with Dual Locking System

✔ 2 Reinforced Screw Clamps – Double the grip strength vs standard single-screw bases
✔ 22L Weight Capacity – Holds 48.5lbs water or 55lbs sand (30% more than typical bases)
✔ 20″ Wide Base – Prevents tipping in 35+ mph winds when properly filled

Key Upgrade:
→ Dual adjustable screw mechanism ensures your umbrella pole stays perfectly vertical

Commercial-Grade Construction

✔ Military-Grade HDPE – Won’t crack in freezing temperatures
✔ Anti-Corrosion Hardware – Stainless steel screws and washers
✔ Textured Bottom – Rubberized surface grips concrete/wood decks

Perfect For:

• Rooftop bars & windy coastal areas
• Permanent patio installations
• High-end residential use
• Commercial spaces needing extra security

Why Upgrade to Dual Screws?

✅ Eliminates pole wobble – Tightens at two contact points
✅ Adjustable for 35-50mm poles – Fits more umbrella types
✅ Tool-free installation – Hand-tighten for instant stability

Pro Tip: For permanent installations:

Fill base 2/3 with sand
Insert umbrella and tighten both screws
Top up with water for added weight

Weight	2.7 kg
Dimensions	57 × 52 × 15 cm
Material	HDPE
Product Size	511251cm
Water-Filled (kg)	22KG
Dry sand weight (kg)	33KG
Wet sand weight (kg)	42KG

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20″ Round 22L Heavy-Duty Umbrella Base – Dual Locking Screw Design for Extra Security (Black HDPE)

🏭 Vertical Manufacturer Since 2010

🔥 Why Global Buyers Choose Us:

🌍 Exported to 30+ Countries

📩 Get Factory-Direct Price Now!

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