简介：hello ,this is VONTRON sales manager Lawner Du ,We are a state owned company control by CRRC Group(Top 300"s all over the world) , since 1999,we still focus on spiral wound membranes (RO/NF/UF membrane）,anyone would like to do business with us , I will try my best to serve.
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供应Vontron is a listed company controlled by CRRC group which is the Top 300’s in the world . RO(Reverse Osmosis) Membrane series/NF(Nano filtration series)/UF (Ultra filtration).Residential Membrane Ele
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