SPL-SMTB joalo ka fektheri ea China e fetolelang, ha e etse feela palo e kholo ea li-transformer tsa mofuta o omileng tse kang SC(B)10,SC(B)11,SC(B)12,SC(B)13 series epoxy resin cast amorphous. alloy/silicon sheet ommeng li-transformer, empa hape e rala le ho etsa li-transformer tse ikhethileng ho latela litlhoko tse nepahetseng tsa bareki ba rona.