香港万利通电子公司成立于一九九七年,是美国怀特电子设计公司(White Electronic Designs Corporation，简称WEDC) 委任为中国地区的授权销售代表公司，专业推广及销售怀特WEDC全系列产品。
美国WEDC/WHITE怀特电子产品包括各级别(商业级，工业级，军级)存储器（SRAM,FLASH, SDRAM, DDR SDRAM, DDR2 SDRAM、)、,微处理器（POWER PC755，7410）及液晶显示屏（AMLCD）。WEDC/EDI/WHITE怀特存储器主要以EDI、W字母开头，如WS、WF、WE、WED、WMF、WMS、WSF、WSE、W3、W7、W8等。
型号目录如下：
EDI8L32512C15AI WEDC
EDI8L32512C12AI WEDC
EDI8L32512C12AC WEDC
WED416S8030A-S WEDC
WED416S16030C-S WEDC
WEDPN4M64V-XBX WEDC
WEDPN4M72V-XB2X WEDC
WEDPN8M64V-XB2X WEDC
WEDPN8M72V-XB2X WEDC
WEDPN16M64V-XB2X WEDC
WEDPN16M72V-XB2X WEDC
W332M64V-XBX WEDC
W332M64V-XSBX WEDC
W332M72V-XBX WEDC
W332M72V-XSBX WEDC
W364M72V-XSBX WEDC
WEDPN16M64VR-XB2X WEDC
WEDPN16M72VR-XB2X WEDC
W3E16M64S-XSBX WEDC
W3E16M64S-XBX WEDC
W3E16M72S-XBX WEDC
W3E32M64S-XBX WEDC
W3E32M64S-XSBX WEDC
W3E32M72S-XBX WEDC
W3E32M72S-XSBX WEDC
W3E64M72S-XSBX WEDC
W3E16M72SR-XBX WEDC
W3E32M72SR-XSBX WEDC
W3H32M64E-XSBX WEDC
W3H32M72E-XSBX WEDC
EDI88512CA/LPA WEDC
WPS512K8X-XRJX WEDC
EDI8L32128V-AC WEDC
EDI8L32128C-AC WEDC
WED8L24514V-B WEDC
EDI8L32512V-AC WEDC
EDI8L32512C-AC WEDC
WEDPS512K32-XBX WEDC
WEDPS512K32V-XBX WEDC
W82M32V-XBX WEDC
WEDPY256K72V-XBX WEDC
WEDPZ512K72V-XBX WEDC
WEDPZ512K72S-XBX WEDC
W72M64VK-XBX WEDC
W78M32V-XBX WEDC
W78M64V-XSBX WEDC
W764M32V-XSBX WEDC
WED9LC6816V-BC WEDC
WED3C755E8M-XBHX WEDC
WED3C755E8MF-XBX WEDC
WED3C755E8MC-XBX WEDC
WED3C7410E16M-XBX WEDC
WED3C7410E16M-XBHX WEDC
EDI8L32128C/V-AC WEDC
EDI8L32512C/V-AC WEDC
EDI88128CS/LPS-Z WEDC
EDI88128CS/LPS-T WEDC
WMS128K8-XCX WEDC
EDI88128CS/LPS-C WEDC
WMS128K8-XDEX WEDC
WMS128K8-XDRX WEDC
WMS128K8-XFEX WEDC
WMS128K8-XFX WEDC
WMS128K8-XCLX WEDC
EDI88128CS/LPS-L WEDC
EDI88130CS/LPS-C WEDC
EDI88130CS/LPS-T WEDC
EDI88130CS/LPS-N WEDC
EDI88130CS/LPS-F WEDC
EDI88130CS/LPS-L WEDC
WMS128K8-XCX WEDC
WMS128K8-XDEX WEDC
WMS128K8-XDRX WEDC
WMS128K8-XFEX WEDC
WMS128K8-XFX WEDC
EDI88130C/LP-C WEDC
EDI88130C/LP-N WEDC
EDI88130C/LP-L WEDC
EDI88257CA/LPA-C WEDC
EDI88257C/LP-C WEDC
WMS512K8V-XCX WEDC
WMS512K8V-XDEX WEDC
WMS512K8V-XDJX WEDC
WMS512K8V-XFFX WEDC
WMS512K8V-XFX WEDC
WMS512K8V-XCLX WEDC
WMS512K8V-XCX WEDC
WMS512K8V-XDEX WEDC
EDI88512CA/LPA-T WEDC
WMS512K8-XCX WEDC
WMS512K8-XCLX WEDC
WMS512K8-XDEX WEDC
WMS512K8-XDJX WEDC
WMS512K8-XFFX WEDC
WMS512K8-XFX WEDC
EDI88512CA/LPA-K WEDC
WMS512K8-XCX WEDC
WMS512K8-XDEX WEDC
WMS256K16-XDLX WEDC
WMS256K16-XFLX WEDC
WMS256K16-XFGX WEDC
WS512K8-XCX WEDC
WS1M8V-XCX WEDC
WS1M8V-XCX WEDC
WS1M8-XCX WEDC
WS1M8-XDJX WEDC
WS1M8-XFX WEDC
WS1M8-XCX WEDC
WS512K16-XDLX WEDC
WS512K16-XFLX WEDC
WS128K32NV-XH1X WEDC
WS128K32N-XH1X WEDC
WS128K32-XG2UX WEDC
WS128K32-XG2UX WEDC
WS512K32NV-XH1X WEDC
WS512K32NV-XHX WEDC
WS512K32N-XH1X WEDC
WS512K32-XG2UX WEDC
WS512K32N-XHX WEDC
WS1M32V-XG3X WEDC
WS1M32-XG3X WEDC
WS1M32-XH2X WEDC
WS1M32-XG3X WEDC
WME128K8-XCX WEDC
WME128K8-XDEX WEDC
WE128K8-XCX WEDC
WE256K8-XCX WEDC
WE512K8-XCX WEDC
WE512K16-XG4X WEDC
WE32K32-XH1X WEDC
WE32K32-XG2UX WEDC
WE128K32-XH1X WEDC
WE128K32-XG2TX WEDC
WSF128K16-XH1X WEDC
WSF128K16-XG1TX WEDC
WSF2816-39H1X WEDC
WSF2816-39G2UX WEDC
WSF128K32-XH2X WEDC
WSF41632-22H2X WEDC
WSF41632-22G2TX WEDC
WSF512K32-29H2X WEDC
WSF512K32-XG2TX WEDC
WSE128K16-XHX WEDC
WSE128K16-XG2TX WEDC
