The Myongdo Joint Venture Company Ltd, founded in 2016, conducts bonded processing, foreign technical cooperation, export and import, with the main emphasis on producing building materials and fittings.

The Ryongchon Building-Materials Factory under the company, which is in Ryongchon County, North Phyongan Province, strives to modernize its equipment, improve the product quality and expand the range of its products. 

Chairs, wardrobes and other kinds of furniture, plastic sliding windows, adiabatic aluminum-framed windows, stainless steel doors and railings from the factory are popular among the customers for their high quality and advanced features.