... countries 4.New product development ability BK2 Control TransformerDescription of BK2 Control TransformerControl transformers have a different ... are capable of increasing and reducing voltage.Range of BK2 Control Transformer20W, 30W, 35W, 2.5W, 4W ... Zhejiang Yiyuan Electric Co., Ltd. is a main BK2 control transformer manufacturer in China, proved by ISO9001 ... us! [EYEN] BK control transformer BK2-40W