... 4.Filtration Precision:1---1000um 5.Addtional Doucuments:Quality Certificate/CO/Packing list/B/L/Invoice 6.Delivery Time: 10-20 ... email or telephone . Best wishes to you ! 1.Company : Lierfilter Technology Co., Ltd 2.Address : Huanyu Road,Xinxiang, Henan Province,China 3.Contact ...