With a growing demand and limited production capacity, Apple is reportedly set to certify two new Asian assembly partners to boost its iPhone 5C and iPad mini supply, with at least one partner said to be ramping up production by the end of the year. Taiwan-based contract manufacturers Wistron and Compal Communications will come on board to supplement existing partners Foxconn and Pegatron, according to a report from The Wall Street Journal. Wistron will reportedly handle iPhone 5C production while Compal will build Apple’s iPad mini.

Foxconn, which is Apple’s primary