Sponge City
Drainage Solutions

Specializing in siphonic roof drainage, modular rainwater harvesting, and same-floor drainage systems.

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1000W

Registered Capital

2M+

Annual Capacity (m²)

95%

Excellent Rate

8yr+

Contract-Honoring

About Wanquan

Guangdong Wanquan Construction Technology Co., Ltd. integrates R&D, manufacturing, and construction of siphonic drainage, rainwater harvesting, and same-floor drainage systems.

A designated supplier for Midea's factory projects. Annual construction capacity covers 2 million m² of catchment area.

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Core Products

Comprehensive building drainage and rainwater utilization solutions

Siphonic Drainage

Siphonic roof drains, HDPE pipes. High-efficiency flow for extreme rainfall.

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Rainwater Harvesting

Modular PP tanks. Integrated diversion, filtration, and purification.

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Linear Drainage

Resin concrete channels, HDPE channels with matching gratings.

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