Established since 2006, PT. United Sindo Perkasa shipyard (PT USP) is owned by Vallianz Holdings Ltd located in Kabil Industry Zone of Batam in Indonesia. Our shipyard serves as a marine base for vessel docking, repair and maintenance works and our operations possess strong in-house fabrication and engineering capabilities such as ship building, ship conversion, ship repair, machining works, piping repairs and installation and mechanical repair of marine equipment.