Leading Water Treatment Equipment Manufacturer in China
Weilan designs plans and drawings and supplies both standardized and bespoke water treatment systems, backed by over 200 completed projects.
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Multiple patented technologies -
Over 200 engineering projects
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Over 15 years of experience
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Strong technical capabilities
Who We Are
Professional Water Treatment Equipment Manufacturer
Weilan focuses on the water treatment technologies with high efficiency and low consumption, green ecology and recycling
Contact Us Now
Weilan is a high-tech enterprise specializing in the research and development, production, installation, and commissioning of water treatment processes and equipment. We hold numerous invention and utility model patents.
Since our establishment in 2011, we have been committed to the development and application of water supply and wastewater treatment technologies, providing systematic services including engineering design, equipment manufacturing, installation and commissioning, and operations management for municipal water supply and wastewater treatment projects.
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CapabilitiesProvide a total solution for safe drinking water and sewage treatment.
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CustomizedFull design services — standard modules and bespoke systems
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CertificationISO9001-certified quality management across production and service
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15+
Years
of Experience -
4000m²
Company
Area -
200+
Engineering
Projects
Our Quality
Weilan’s Certificates & Qualifications
In the quality management, we actively converge to the international practice,
adopt
the advanced
ISO9001 quality assurance model
What We Do
Specializing in Water Treatment Solutions
Weilan boasts a highly innovative technical product research and development team, professional engineering design team
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Package Water Treatment PlantCompact, efficient water treatment system for clean, reliable, and easy operation.View AllPackage Water Treatment Plant
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Underdrain FilterDurable filter underdrain for uniform backwash, high efficiency, and low maintenance.View AllUnderdrain Filter
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DynasandContinuous sand filter for efficient, low-maintenance water purification.View AllDynasand
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Lamella SettlerEfficient Lamella Settlers for compact, high-performance water treatment.View AllLamella Settler
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Denitrification FilterHigh-efficiency deep-bed filter for nitrogen, phosphorus, and solids removal.View AllDenitrification Filter
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Biological Aerated FilterEfficient biofilter for BOD and ammonia removal with low energy use and easy maintenance.View AllBiological Aerated Filter
Why Choose Us
Weilan has won widespread praise from our customers for our high quality products, reasonable prices and professional technology.
Why Choose Weilan as Your Reliable Partner
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Proven Project ExperienceOver 200 engineering projects delivered across municipal and industrial sectors, demonstrating reliable execution from design to commissioning.
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Patented Technology & InnovationProprietary solutions protected by multiple invention and utility-model patents, ensuring advanced, high-performance treatment systems.
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15+ Years of Industry ExpertiseMore than 15 years designing and supplying water supply and wastewater treatment equipment—deep domain knowledge that reduces risk and speeds delivery.
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Engineering & Custom Design CapabilityIn-house engineering team produces detailed plans and drawings and delivers both standardized modules and fully customized package plants and filters.
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ISO9001 Quality ManagementISO9001-certified processes govern production, testing and service, ensuring consistent product quality and traceable documentation.
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R&D Driven, Application-Focused SolutionsFocused R&D translates into practical improvements for package plants, Dynasand, lamella settlers and BAF systems—backed by strong post-sale support and scalable turnkey options.
Our Project
Our Successful
Project Initiatives
Weilan designs plans and drawings and supplies both standardized and bespoke water treatment systems, backed by over 200 completed projects.
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Our Blog
Weilan’s Latest Blog & News
Learn about our company news and explore our solutions for safe drinking water and sewage treatment.
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Lamella Clarifier vs Tube Settler: Which Is Right for Your Plant?Lamella clarifier vs tube settler — compare design, efficiency, cost & durability to find the best settling technology for your water treatment plant in 2026.
View AllMar 30, 2026 -
Lamella Clarifier Working Principle: How Plate Settlers WorkLearn the lamella clarifier working principle, key components, types, design tips, and how inclined plate settlers deliver high-rate sedimentation in a compact footprint.
View AllMar 23, 2026 -
Dynasand Filter Sizes: Specifications, Flow Rates, and Selection GuideCompare Dynasand filter sizes, specs & flow rates. Use our selection guide to choose the right Weilan WL-series model for your project.
View AllMar 16, 2026
