PT. Karya Jasa Baja also one if the leading tube manufacturer for various steel welded pipes, this inclusive of galvanized steel tubes complying to BS EN 39 : 2001 (Supersedes BS 1139 : Section 1.1 : 1990). In conjunction with various kind of clamps and accessories, PT. Karya Jasa Baja provides complete range of components required by “Tube and Clamp Scaffold” that commonly used in shipbuilding and Oil/Gas industry.