Who is in charge of the purchase of automatic doors in the operating room of the hospital?

Automatic door of the operating room actually belongs to the purification company to do, because most of the infrastructure of the operating room inside the things are turnkey to the purification company to do, such as laminar flow, air-conditioning, ground, wall, clean equipment, etc., and purification companies belong to the hospital infrastructure office to manage the purification company to unify the bidding, each hospital has a dean to manage this part of the work

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