JWELL Global Extrusion Engineer Certification System aims to help outstanding engineers in the global extrusion industry to evaluate and certify their abilities through JWELL platform. It provides learning opportunities and training plans according to personal needs and promotes the development and progress of the extrusion industry. 就去年来说,各个板块整体都表现不错,比如大云环保,这家公司致力塑料废料的破碎、造粒等回收设备生产,2020年销售同比实现翻番。我们看到,在经济回升且原材料价格上涨之后,特别是实现分类回收以后,整个回收行业的优势也展现出来了。