30-hole egg box. Do you know how he was produced?

#30-hole egg box. Do you know how he was produced? Shanghai Yiyou company is located in QingPu Industrial Zone, Shanghai,China (only 15 minutes driving from Shanghai Hongqiao Airport). Our main products include automatic positive and negative three-station thermoforming machine (forming, cutting, stamping, stacking); thick plate (plate) vacuum forming machine; automatic PLC controlled high-speed thermoforming machine; automatic plastic cup making machine; Precision hydraulic cutting machine and other related plastic machinery, etc. Phone（whatapp&wechat): 86-18621972598 E-mail: amy@ web: Alibaba store link：