Specializing in residential intercoms central vacuum and apartment entry systems
Owner and operator of Pro systems LLC over 20 years specializing in residential intercom central vacuum and apartment entry systems
I would offer them a proposal to reveal their source to you in exchange for a small percentage or fixed amount of each unit ordered. You would also need to structure the offer in such a way as to guaranty that you would not compete with them or circumvent them, if they agree then you would need a legal contract drawn up between you and them