Recently, in the load-linking test site of the first blow molding heavy-duty film unit in China, more than 20 experts from domestic and foreign large-scale petrochemical enterprises showed great interest in this domestically produced unit whose technical performance reached international standards. The trial run of the blow-molding heavy-duty film unit developed by Sinopec Maoming Petrochemical Company marks the long-term import history of the resin heavy-packaging film used in China's petrochemical industry.

At present, the resin packaging bag production equipment used by domestic petrochemical enterprises is imported from abroad, and the price is extremely expensive. The blown film packaging film unit developed by Dalian Rubber & Plastics Co., Ltd. can not only completely replace imported equipment, but the price is only imported equipment. one third. Its technical performance has reached the international advanced level, and it is the first blow-molding heavy packaging film unit with independent intellectual property rights in China.