Raws li Tuam Tshoj hluav taws xob transformer Hoobkas, peb muab 3 theem transformers nyob rau hauv ib tug loj kom muaj nuj nqis, nrog rau peb-theem qhuav hom fais fab / faib transformers, roj immersed fais fab tuag / faib transformers, preinstalled / ua ke compact substations thiab tsawg voltage switchgears. Txhawm rau xa tus nqi pheej yig 3 theem transformers ntawm cov khoom zoo los ntawm Tuam Tshoj, SPL yog qhov koj xaiv zoo tshaj.