muebles, moblaje, mobiliario
To say 'furniture shop' in Spanish, you would say 'muebleria.'
Translation: muebles
Los muebles El moblaje
Te gustan mis muebles?
comoda, tocador, escritorio (furniture) oficina, departamento (office)
Try the website spainexpat.com. This website does not specifically specify dining chairs for restaurants but it does specialize in Spanish style furniture. Hopefully there will be some commercial furniture on this website. I could not find another website in this category.
muebleríapronounced moo-eh-bleh-ree-ah
Pecho (no t) means "chest" in Spanish, referring to the body part, not a piece of furniture.
sacude el polvo de todos los muebles
If you mean 'furniture' (chairs, tables, etc.) - mueble(s) (moo-AY-blay(ss))
Dresser. Chest of drawers. A piece of furniture with drawers to put clothes in.
The singular form of "furniture" is "piece of furniture."