TOKYO -- Japanese auto parts maker Calsonic Kansei will close four domestic factories by 2020 in response to weak sales at its former parent and main customer, Nissan Motor.
Japanese auto parts manufacturer relies on former parent for 80% of its revenue

Workers assemble air conditioners at a Calsonic factory in Japan's central Gunma Prefecture. Slow sales at former parent Nissan are forcing it to cut production.
TOKYO -- Japanese auto parts maker Calsonic Kansei will close four domestic factories by 2020 in response to weak sales at its former parent and main customer, Nissan Motor.