SHANGHAI, June 16 Reuters U.S. memory chipmaker Micron said on Friday it was committed to China and would invest 4.3 billion yuan 603 million over the next few years in its chip packaging facility in the Chinese city of Xian.

The company has been targeted by China39;s cyberspace regulator, which last month said the firm, the United States39; biggest memory chipmaker, had failed a network security review and that the regulator would block operators of key infrastructure from buying from the company.

Micron made no mention of the review39;s decision in its Friday statement, posted on WeChat.

This investment project demonstrates Micron39;s unwavering commitment to its China business and team, it quoted CEO Sanjay Mehrotra as saying.

The investment will include buying packaging equipment from a Xianbased subsidiary of Taiwan39;s Powertech Technology Inc, which Micron has been using in the factory since 2016, the company said.

Micron will also open a new production line at the site to manufacture mobile DRAM, NAND and SSD products to strengthen the plant39;s packaging and testing capabilities.

Powertech said in a separate statement that the plan for Micron to buy the equipment was part of the 2016 agreement between the firms, so the financial impact on Powertech would be limited.

Micron, China39;s commerce ministry and the Cyberspace Administration of China did not immediately respond to requests for comment.

Micron did not disclose the value of the deal but said it…