Wintak Petrochemical Group Ltd. Room 410, 4th Floor, No.207, Tun Hwa North Road, Taipei, 105, Taiwan. Tel          +886 2 2712 9086; +886 2 2719 6766 Fax         +886 2 2712 9804 E mail    Trade@wintakpetro.com；Sales@wintakpetro.com