技术员来厂之前已经有5万多打加工好的成品。恳求翻译

there is 50 thousand dozens products that have been done before the arrival of the technician.

More than 50,000 dozen of finished goods are ready before the technician comes to our factory.

there are already fifty thousands dozens of finished product before
the technician coming

Before the arriveing of the technician,we've processed 50,000 dozens of finished products ready.