Andrew Yeh recalls that when the company first set up in Dongguan in 1990, "Even screws had to be brought in from Taiwan." But now the company sources virtually all of the necessary raw materials and parts on the mainland and is reliant for very little on Taiwan.
東莞岳豐電線電纜公司董事長葉春榮也表示，一九九○年他到東莞設廠時「連一顆螺絲釘也要從台灣運來」，而現在岳豐在東莞設廠所需的原料、配件，全都在當地自製，已不大需要仰賴台灣。