Cellulose Ethers & Construction Additives Manufacturers for Global Buyers
LANDU manufactures and supplies cellulose ethers and construction additives to customers worldwide. Explore HPMC, HEMC/MHEC, HEC, RDP and specialty additives for dry-mix mortar and building-material applications, backed by product information and technical support for your material selection.
Match the Right Additives to Your Building System.
Every application—from tile adhesives to self-leveling compounds—demands specific workability and adhesion. Discover the exact Cellulose Ethers and Additives engineered for your formulation.
Reliable Manufacturing. Consistent Quality.
From our advanced production lines to your dry-mix formulations, see how LANDU’s factory direct supply ensures the stability and performance you need.

LANDU MANUFACTURING
Manufacturing Infrastructure Built for Reliable, Consistent Supply
Automated production and packaging, built to deliver the same quality in every batch.
From material storage to final packing, our integrated manufacturing system keeps production stable and traceable. Every order is handled with the same standards, so you receive consistent products and dependable supply, shipment after shipment.
LANDU PRODUCTS
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HPMCHPMCHydroxypropyl Methyl Cellulose. Delivers excellent water retention, workability, and open time for tile adhesives, skim coats, and dry-mix mortars. -
HEMCHEMCHydroxyethyl Methyl Cellulose. Offers stable thickening and strong sag resistance, ideal for gypsum plasters, renders, and machine-applied mortars. -
HECHECHydroxyethyl Cellulose. Provides efficient thickening and smooth rheology for water-based paints, coatings, and putty formulations. -
RDPRDPRedispersible Polymer Powder. Improves bonding strength, flexibility, and crack resistance in tile adhesives, EIFS, and repair mortars. -
PCEPCEPolycarboxylate Superplasticizer. Enables high water reduction and long slump retention for high-performance, durable concrete.
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Trusted in Every Construction Application
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Tested Batch by Batch, Backed by Our Lab
Our laboratory is equipped to test key performance indicators such as viscosity, moisture content, particle size and water retention. Each production batch is sampled and checked against specification, so you receive consistent quality in every shipment. Test reports are available on request.
Every product is verified in our in-house laboratory before it leaves the factory.

Meeting Our Partners Around the World
We regularly take part in international industry exhibitions, where we meet customers face to face, discuss their applications and share our latest product developments. These events help us understand market needs and build long-term partnerships with customers across different regions.
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