Pupuk Kaltim’s compound NPK fertilizer consists of two types,namely NPK Simple blending and NPK Fusion. NPK fertilizer can be produced in various compositions, according to the needs of the plant and soil type. This type of fertilizer contains three macronutrients needed by plants. All the raw materials for NPK, namely the nitrogen (N), phospate (P), and kalium (K) are of high quality. NPK fertilizer is marketed and sold with the brand name of Pelangi Maxi, Pelangi Unggul, Pelangi Super, and Pelangi Prima.