GROWTH ASIA, PT North Sumatera Steel Casting Wear Parts for Mineral Processing, Fadjar Suhendra, Caterine Widjaja, Handono Rustam. enquiry@growthsteel.com (62-61) 6850206, 6850207 www.growthsteel.com (62-61) 6850208 Jl. K.L. Yos Sudarso Km. 10,5 (Medan Industrial Estate