The work efficiency has been increased since we have introduced an advanced equipment/because we have introduced an advanced equipment/due to the introduction of an advanced equipment/as we have introduced an advanced equipment/because of introduction of an advanced equipment.
The high-priority products were submitted ahead of deadline duo to/because of the more efficient route.
The high-priority products were submitted ahead of deadline since we had used the more efficient route.
The high-priority products were submitted ahead of deadline because we had used the more efficient route.
The progress of the high-priority project was slow due to/because of the issue of the last step. The progress of the high-priority project was slow as/because we met some issue of the last step.
The high priority targe was delivered due to/because of the high quality work.
The high priority target was delivered since we had improved the work efficiency.
The high priority target was delivered as/because we improved the work efficiency.
We had completed all high-priority projects due to / because of our high efficiency. We had completed all high priority projects since/because/as we had experience chemists.