Promx is a division of TWI. Promx offers fulfilment and logistic services for promotional items. From the location in Nieuwve ... en (NL) Promx handles, ships and support promotional activities for various companies. Promx is a division of TWI. Promx offers fulfilment and logistic services for promotional items. From the location in Nieuwveen (NL) Promx handles, ships and support promotional activities for various companies. read more