We are member of sempurna group company which focus on construction works and building materials manufacturer such as paving blocks, precast drainage, box culvert, drain pipe, and many other precast concrete elements either structural and non structural, light weight roofing system, steel fabrication,etc in batam Island - Indonesia.we are adopting latest technology from both local and international standards to meet the market needs.due to company expansion we are seeking for highly skilled workers to join our company to grow together.