TAIPEI -- Hon Hai Precision Industry Co., the parent of Foxconn, will reportedly up its investment in Vietnam by $4 billion

Last month, Hon Hai chairman Terry Guo signed a letter of intent to invest $1 billion in a high-tech industrial park in Bac Ninh Province. According to several reports, Hon Hai will invest the additional funds in other industrial parks and some urban-development projects.

The company plans to build cameras, cellphones and accessories, PCBs, connectors and other electronics related items in Vietnam, the reports said.