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早在２０世纪８０年代中期，天津市基建防水材料工业有限责任公司（原天津市油毡厂）就从国外引进了国内第一条具有国际先进水平的多功能油毡生产线。该生产线除了能生产改性沥青防水卷材外，与其它引进的１０多条多功能卷材生产线不同之处，在于能生产彩色油毡瓦。因此，在随
As early as the mid-1980s, Tianjin Infrastructure Waterproof Materials Industry Co., Ltd. (formerly Tianjin Linoleum Factory) imported the first multi-functional linoleum production line with international advanced level from abroad. In addition to being able to produce a modified bitumen membrane, this production line differs from the more than 10 multifunctional coil lines that have been introduced in the production of colored shingles. So, with