A place or facility where products are manufactured — a factory or works.
この製品は市内の製造所で作られている。
This product is made at a manufacturing plant in the city.
製造所への入場には安全帽の着用が義務付けられている。
Wearing a safety helmet is required to enter the manufacturing facility.
見学で製造所のラインを間近で見ることができた。
On the tour we were able to see the manufacturing line up close.