leading filter paper, chemical analysis filter paper, qualitative filter paper,quantitative filter paper.Automotive filter paper,air filter paper,engine oil filter paper,diesel filter paper. is manufactured with high grade fine cotton as raw material,through modern original paper making technology and advanced paper making equipment.It s pure cotton paper of high purity and even structure, and possessed certain filter speed and certain strength.the products are widely used for              scientific research,industry,agriculture,medicine,hygiene,as well as environmental protection,etc.for use of qualitative,quantitative analysis as well as qualitative,quantitative chromatographic analysis and test.According to the speed,divided into three kindsa:fast speed,medium speed,slow speed.
According to figure:round and square.
Round:7cm,9cm,11cm,12.5cm,15cm,18cm,22cm
Square:600*600mm,300*300mm
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