Using Multiple Keywords In Meta Title

[magicyan]

Stuffing "Manufacturer, Supplier & Producer" reeks of desperate keyword cramming. It's like shouting synonyms at Google, hoping it hears you louder - not the smartest play. Better to laser-focus on the highest intent phrase and craft compelling copy around it.
Also, mixing too many close synonyms can dilute topical authority and confuse crawlers about your page's core focus.