Nanovela are Household and Industrial RO Membrane Manufacturer,we have more than 20 years experience in water treatment filed.Nanovela RO membrane have more stable performance and longer life under high TDS feed water.Nanovela have M.A.T.P(massive adaptive testing platform) .Except 100% vacuum test,we also do random water test to make sure RO membrane good quality.We are a Chinese RO membrane manufacturer expert!