Contact Head Office : Perum De Banna Residence No. D1.003 , Ngijo, Karangploso Malang – Indonesia Factory: Mayjend Sungkono Street, Arjowinangun, Kedungkandang, Malang, Indonesia Farm (Worm breeding): Desa Tlogowaru, Kedungkandang, Malang, Indonesia Phone 0812-3438-0947 Email haznim.wpc@gmail.com Website www.wormplants.com