Most of the production process of polypropylene short fibers adopts a porous, low-speed, continuous process, that is, a short spinning process. Polypropylene staple fiber and cotto......
2019 has arrived, and many e-commerce sellers are busy predicting the upcoming e-commerce trends and products that will become explosive in the new year. However, many sellers have......
The carpet woven from polypropylene staple fiber has the advantages of light weight, wear resistance, low price and beautiful appearance. It is very popular among consumers. Becaus......
In the Yunfang Museum, an old Toyota weaving machine keeps ringing, counting the glorious history of Yunfang’s past; in the evening, in the Yunfang Theater, which was operate......
Since the cement concrete has been used, the crack problem has not been completely solved, and it has become a hot spot of great concern. There are two basic technical routes to so......
Recently, "Gansu Provincial Institute of Cultural Relics and Archaeology Huahai Bijiatan Wuliang Tomb unearthed silk clothing protection and restoration project" and &quo......