RIYADH: Calb Co., a Chinese battery supplier for electric vehicle makers, has added more banks as it plans for its Hong Kong initial public offering that could raise as much as $1.5 billion, Bloomberg reported. It has selected Citigroup, Credit Suisse Group and JPMorgan Chase & Co. as joint global coordinators for its IPO, the report said citing people familiar with the matter. More banks can be picked for the deal as discussions are in progress, the people added. Calb’s $1.5 billion IPO could be one of Hong Kong’s biggest in 2022 upon its completion, according to data compiled by Bloomberg. Founded in 2007, Calb operates major production bases in China and is specialized in the development, production and sales of lithium batteries for electric vehicles.