PT. Petro Karya Mandiri is an Indonesian company that lists a range of fertilizers on Global Trade Plaza. The portfolio includes phosphate-based products such as SP-36 and SP-26, compound NPK grades like 15.15.15 PLUS, 16.16.16 and 12.11.20, as well as ZK (potassium sulphate), Niphos (NPS), ZA and ZA PLUS fertilizers. Several items carry additional nutrients: the NPK 15.15.15 PLUS grade contains sulfur at 9% and zinc at 2.000 ppm, while Niphos supplies nitrogen at 20%, phosphate at 20% and sulphur at 13%. ZK fertilizer provides potassium (K2O) at 50% and sulfur at 17%. Packaging sizes mentioned across the range are 50 kg bags, 25 kg bags and 20 kg bags. Buyers can send an enquiry through Global Trade Plaza.