Hope and domestic foreign petroleum chemical unit cooperation hand in hand!

希望与国内国外的石油化工单位携手合作！

youdao

May the brothers and unit set up long-term cooperation!

愿与各兄弟单位建立长期合作关系！

youdao

Sincere cooperation with the unit!

真诚与各单位合作！

youdao

Sincere cooperation with the unit!

真诚与各单位合作！

youdao