Liaocheng seamless business experts believe that coke exports from other countries, Japan, Colombia, Poland and other major exporting countries can not set up coke coke export tariff.

• 聊城无缝管企业相关专家认为，从其他焦炭出口国家的情况来看，日本、哥伦比亚、波兰等主要焦炭出口国都没有设置焦炭出口关税。