JOINERS ASSOCIATES 木士公司, now known as (JA) founded in 1975 as a furniture manufacturer specializing on wooden joinery works.. With the integration of luxurious high end retail experiences and 3d visualization and space planning combined with more than 40 Years of experience in manufacturing and construction, Joiners Associates now known as (JA) evolves into a multi disciplinary design/manufacturing company offering clients 1 stop design solution.