ROCK-HNF TECH. LTD.315100About UsAdd:RM 1501, Kirin North Building, No.1501 Tiantong North Rd, Yinzhou, Ningbo, ChinaAs a exclusive overseas sales of Jinsai Hollow NF system, ROCK-HNF TECH. LTD. Strive to build new global water purification technology 1/Founded in 2000, Jinsai has more than 20 years history in the Nanofiltration (NF) Technology. 2/The only very few manufacturers in Hollow Nanofiltration (NF) membrane technology in China integrating R&D, production, sales, installation and technical services. Currently the Largest Hollow NF Membrane Porudction Base in China 3/Have the most advanced membrane technology laboratory in China, NF membrane industrialization application pilot-scale laboratory, Analytical testing laboratory
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