WPI’s wood processing operations are fully integrated
with Ernslaw One’s forestry division. The company
produces a range of timber products and solid and
pulp products derived from renewable plantations of
These products are all sold overseas.
A key area of business is the pulp operation located at
Karioi. The pulp is used for paperboard manufacture.
Ongoing investment in resources and technology
has enabled the company to pioneer a number of
breakthrough products, the latest being AB+.
Over the last 33 years the company has expanded
into the Asian and Pacifi c Rim markets, doubling the
capacity of the mill in order to meet demand from
countries like China and Indonesia. Link to Winstone Pulp