Call the printing services you are considering and ask them for printed examples and brochure marketing. The best models will not think twice to show of what they can do to prospects. Do not perform with a printing device who will not send you examples even if they quotation you a very low rate.
Ask them about what devices they use. The best printing brochures device you use does not actually have to have state of the art devices, but they should have at least excellent high-end digital and balanced out printing devices to ensure you get top excellent outcome from them. But do not just ask about the printing devices but also the completing devices. Keep in mind, brochures still need to be collapsed..