10KV grade, S (B) H15 series oil-immersed amorphous alloy iron-core distribution transformer 10KV grade, SC (B) H15 series oil-immersed dry amorphous alloy iron-core distribution transformer 10KV grade, SCZ (B) 10 series on-load voltage regulating resin insulated dry-type transformer 10KV, 20KV, S11, S13 series oil-immersed power transformers S13-M.RL Three-dimensional triangular core power transformer