EDISON, N.J. — Cushman & Wakefield has completed the sale of the former L.A. Dreyfus Co. manufacturing facility in Edison. The facility is situated on 50 acres at 3775 Park Ave. near the intersection of Oak Tree Road. It contains 507,400-square-feet of warehouse manufacturing space and executive offices. The new owners, a partnership between Tulfra and Hampshire Properties, plan to market the building as industrial condominium units. The sale price was undisclosed.