We are the biggest producers in the world for manufacturing big diameter bolts in stainless steel and high tensile from M-20 to M-100 in diameter , fasteners and nuts which are used in water projects, water pipelines, sewage water treatment plants, sewage water projects and pipelines, desalination projects . Our fasteners and bolts and nuts are most suitable for ductile pipes with PN 16 ratings and are widely used in countries like