TUSCON, AZ -- Prototron Circuits is closing its printed circuit board fabrication plant in Redmond, WA, this month and consolidating operations at its site in Tucson, AZ.
HUBEI PROVINCE, CHINA – Huangshi Guanghe Circuit has begun construction on a new printed circuit board fabrication plant here. The site covers 484 acres, with an estimated total investment of ¥5 billion (US$719.5 million).