QINGDAO, China—Sailun Group Co. Ltd. has developed a liquid-phase rubber-mixing process that it claims can yield tire performance improvements in multiple parameters that previously were not possible.

SHANGHAI — The developers of the "Liquid Gold" rubber-mixing technology used by Qingdao Sailun Group Co. Ltd. for its advanced tire lines have formed a partnership with synthetic rubber supplier ...

China's Sailun Group claims its newly developed liquid-phase rubber-mixing process can yield tire performance improvements in multiple parameters that previously were not possible.