发展最快的聚合物商品是聚丙烯,极好的物理性能和相对价廉推动和渗入发展聚丙烯市场。 在未来,技术投资将把聚丙烯市场放在适当的位置。第四代催化剂是标准的新的设备和更新项目。同样重要的是第五代催 The fastest growing polymer commodity is polypropylene, which has excellent physical properties and relatively inexpensive promotion and infiltration into the development of the polypropylene market. In the future, technology investment will place the polypropylene market in the right place. The fourth generation of catalysts are standard new equipment and renovation projects. Equally important is the fifth generation