Celotech is a global manufacturer of cellulose ethers, RDP, wood fibers, starch ethers, and other construction additives. With an annual capacity of 50,000–100,000 tons, we supply customers in over 60 countries.

LANDU is a leading manufacturer and supplier of construction chemicals in China, offering a product range that includes HPMC, HEMC, HEC, RDP, PCE, and more.

we are leading manufacturer and supplier of cellulose ethers, including HPMC in China. The company offers a wide range of HPMC products with various viscosity grades and specifications to cater to different application needs in the construction industry