Qualcomm and Semiconductor Manufacturing International have signed a letter of intent to invest in the semiconductor technology services provider.

SJ Semiconductor, (SJSemi) a China-based outsourcing services provider for semiconductor technology, will receive $280m in a funding round backed by an unnamed subsidiary of wireless technology company Qualcomm.

Semiconductor foundry Semiconductor Manufacturing International (Smic), and corporate-backed China Integrated Circuit Industry Investment Fund have also signed the letter of intent.

SJSemi was founded in August 2014 as a joint-venture between Smic and its peer Jiangsu Changjiang Electronics Technology. The company offers outsourced assembly and testing services for wafer bumping.

The investment…