| Authority | |||
|---|---|---|---|
| 29 June 2018 | Belanja Modal Pengadaan Alat-Alat Laboratorium Kimia | Provinsi Riau | Rp 3,849,838,000 |
| 17 July 2024 | Pengadaan Bahan Kimia Dan Alat Bantu Laboratorium Batubara | Kementerian Energi Dan Sumber Daya Mineral | Rp 64,211,280 |
| 19 March 2025 | Pengadaan Cawan Sampel Uji Profisiensi | Kementerian Energi Dan Sumber Daya Mineral | Rp 57,720,000 |