PT. Graha Sentral Jaya bergerak di bidang manufaktur & pemasaran produk fibreglass untuk kebutuhan industri, perumahan serta kontraktor bangunan seperti Septic Tank BIOSYS, STP BIOSYS dengan sistem Biotech Extended Aeration, Silinder Tank FRP, Ground Tank FRP, Panel Tank FRP, Portabel/ Portable Toilet, Bak Mandi Fiberglass, Grease Trap FRP, Rooflight & Gutter, FRP Chemical Storage Tank, Lining/ Pelapisan FRP, Reactor Tank FRP, Scrubber FRP serta Customized Design & Job Order.
E-mail : graha_ frp@ yahoo.com - graha_ frp@ hotmail.com
