"manufacturing techniques" is correct and usable in written English.
You could use it in a sentence such as, "The company upgraded their manufacturing techniques to improve efficiency."
Conventional manufacturing techniques limit aircraft designs.
We consistently seek to implement world class manufacturing techniques.
And manufacturing techniques are beginning to approach that limit.
It brings jobs, advanced manufacturing techniques and national pride.
The prototype wind turbine will be adapted to manufacturing techniques used locally, near the university.
Since then, a generation of business school students has studied Toyota's management and manufacturing techniques.
Yet in a world where manufacturing techniques are increasingly automated, there is a problem.
In practice, most manufacturing techniques have subtle drawbacks that are not easy to overcome.
They'll also want to know how it fares with modern mass-production manufacturing techniques.
That should be easier because silicon manufacturing techniques are already well established.
