Looking on the internet deeply has found these results:

reduced in production costs is the most popular phrase on the web.

reduced of production costs 10 results on the web	reduced in production costs 138 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	for standard scales which can be improved in quality and reduced in production costs. 2. Gain and offset drift adjustment of the load cell with PICOSTRAIN ... addition to reduced in production costs and environmental fees. All these are achieved by continuous improvement through implementing the CP projects. May 10, 1988 ... As the newer plants come onstream, the older plants may have to be shut down, reduced in capacity, or reduced in production costs. addition to reduced in production costs and environmental fees. All these are achieved by continuous improvement through implementing the CP projects.

reduced of production costs

10 results on the web

reduced in production costs

138 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

for standard scales which can be improved in quality and reduced in production costs. 2. Gain and offset drift adjustment of the load cell with PICOSTRAIN ...
addition to reduced in production costs and environmental fees. All these are achieved by continuous improvement through implementing the CP projects.
May 10, 1988 ... As the newer plants come onstream, the older plants may have to be shut down, reduced in capacity, or reduced in production costs.
addition to reduced in production costs and environmental fees. All these are achieved by continuous improvement through implementing the CP projects.