我厂引进美国的宽辐2.2M重型瓦楞纸板生产线的两台XDV—1030单面瓦楞机是关键设备。该机各有一套(计12件)结构相同,规格不一的油封,油封是易损件,每两年左右需更换一次,每次更换,如用进口件,需1万元以上,这不仅费用高,而且难及时供货。油封国内可以生产,质量也不比进口货差。经过与有关单位合作, The two XDV-1030 single-face corrugating machines that our factory introduced the American wide-width 2.2M heavy-duty corrugated cardboard production line are the key equipment. The machine has a set (12) of the same structure, different specifications of the oil seal, oil seal is wearing parts, to be replaced every two years or so, each replacement, such as the use of imported pieces, need more than 10,000 yuan, which not only High cost, but difficult to timely delivery. Oil seal can be produced in the country, the quality is not worse than the imported goods. After cooperation with the relevant units,