Complex sentence: An electrolyte developer has probably taken with them, when moving from Japan to Taiwan, the chemical composition of a new low resistance, inexpensive, water-containing electrolyte and tried to counterfeit these electrolytes in Taiwan, then to sell it cheaper than the Japanese could.
Split into simpler sentences: An electrolyte developer is suspected of having taken, when moving from Japan to Taiwan, the chemical composition of a new low resistance, inexpensive, water-containing electrolyte. The developer subsequently tried to counterfeit this electrolyte in Taiwan, then to sell it cheaper than the Japanese could.