“FOR M.E. LUBE. OIL 2ND. FILTER (AUTO BACK WASH FILTER)
SHANGHAI JIANGNAN CHANGXING HEAVY INDUSTRY CO., LTD.
===================================
FOR M/E L O AUTO FLITER
MAKER: NANTONG NAVIGATION MACHINERY GROUP
TYPE: 6.33 ND250Ⅱ+ SK451
SN NO.B11768; DWG NO.G2-01017B&G3-01655A ” PAPER CARTRIDGE NANTONG NAVIGATION INSTRUMENT.6.33ND250Ⅱ+SK451.19