ROX

Polestones (极石汽车, also referred to as ROX or Rock Auto) is a Chinese electric vehicle company founded by serial entrepreneur Chang Jing (昌敬), per a Heart Capital piece from late 2024 . It launched its first vehicle, the ROX 01 (极石01), an all-terrain luxury SUV, in August 2023 and began deliveries that November . In December 2024, the company entered the Saudi Arabian market through a partnership with the Laith Al Obaidi Group, which took exclusive distribution rights for Riyadh and the Eastern Province .

Heart Capital (心资本) backed the company in its September 2021 Series B round and has listed it among its portfolio companies in multiple updates . Qiming Venture Partners also appears as an investor, with partner Alex Zhou having been involved in backing what the firm calls "洛轲智能" (Luo Ke Zhi Neng), the entity behind the ROX brand . elsewhere's corpus does not cover more recent operational or financial developments beyond the late 2024 Saudi expansion.