VONTRON's core business is membranes, with over 20 years of experience in the manufacture of spiral wound membrane elements. VONTRON specialized in R&D and manufacturing of reverse osmosis (RO), Nano filtration (NF), and ultrafiltration (UF) membrane elements as a national standard-setting unit of reverse osmosis membrane. The company owns the core technologies in membrane manufacturing and system design, aiming at providing quality services to its clients. VONTRON’s products are widely sold in over 130 countries and regions