Murphy Door Inc. is a manufacturer of Hidden door bookshelf systems. We specialize in manufacturing hardware as well as bookcases for these unique products. Murphy Door Inc is a subsidy of 4 MM Inc. and Focus Services Inc. of Ogden Ut. We have 3600 employees around the world. All of our Murphy Door products are 100% manufactured and assembled in the USA. Our bifold system has been in production for over 7 years, through the years we have made many changes to our hardware to ensure a fail proof lifetime product. Our systems can carry 300 lbs of load in addition to the weight of the bookshelf. There are many competitors on the market but ours is the only offer that has all the offset measurements built in to our hardware. This enables the beginner to the professional to have a hassle free experience. There is no need for additional shims or complex measurements to make our systems work. We are constantly striving for improvements and perfection. With our endless R&D Murphy Door can ensure our customers that we are at the forefront of innovation as well as durability. Our business supplies retailers in the USA, Canada, England and Australia. We are always looking for additional customers around the world that would like to Retail our products at their stores. If you are interested in The Murphy Door Inc. and Hidden doors please feel free to check out our website at www.themurphydoor.com or give us a call and we will be happy to forward you a new vendor setup packet.