... etc. Product Test Reports GF250 (White) Other different level and weight non woven for PP INJECTION Air Filter •AOE909 (OEM Level) ... was founded, produce Acupuncture Non Woven. •2001, Relocated to Huangjiang Town, Dongguan City and Built workshop about 6000 Squaremeters ... air filter material,and Establied Retop Filter Materials Co., LTD •2004, Started manufacturing Heat Melt Filter Non Wovens. •2005, ...