PERMATA HIJAU SAWIT, PT North Sumatera Acid Oils From Refining, Crude Palm Kernel Oils, Crude Palm Oils, Oil-cake & Oth. Soild Residues of Palm Nuts or Kernels, Other Palm Oils, Robert, Maria Wijaya. permata@permatagroup.com (62-61) 4577777 www.permatagroup.com (62-61) 4569755 Jl. Iskandar Muda No. 107, Kel. Medan Baru - Kec. Babura