For wholesale plastic folding crate, plastic turnover box, plastic box manufacturer, and folding plastic crate for fruits and vegetables, choose Zhejiang Zhengji Plastic Industry Co., Ltd. Zhengji Plastic (ZNKIA) has been engaged in the research, development, production, and sales of plastic folding turnover box, plastic crate, collapsible container, insulated box, pallet, and accessories, possessing strong capabilities in independent research and development, mold manufacturing, and injection m