(Adds China reaction to removals of companies from "Unverified List", comments from US National Security Adviser about trip in paragraphs 3-6)

WASHINGTON, Aug 22 (Reuters) - U.S. Commerce Secretary Gina Raimondo will travel to China next week for meetings with senior Chinese government officials and U.S. business leaders, the latest in a recent series of high-level visits, the department said on Tuesday.

Last month, Raimondo vowed to go forward with the visit despite the reported Chinese hacking of her department's emails.

U.S. National Security Advisor Jake Sullivan said Raimondo will carry a message that the U.S. is not seeking to decouple from China, but will protect its national security. He added she will reinforce the U.S. is focused on sustaining an economic relationship with China.

On Tuesday, China welcomed the department's decision to lift export control restrictions on 27 Chinese entities, saying it is conducive to normal trade between Chinese and U.S. firms.

The U.S. Department of Commerce on Monday removed 27 Chinese companies from its "Unverified List." Companies are added if the U.S. cannot complete on-site visits to determine if they can be trusted to receive sensitive U.S. technology exports. Companies on the list cannot use license exceptions for exports.

Commerce said the removal "demonstrates the concrete benefit companies receive when they or a host government cooperates" to complete checks.

Raimondo "looks forward to constructive discussions," during the visit to Beijing and Shanghai from Aug. 27-30, the department said in a statement.

The talks would cover issues related to the U.S.- China commercial relationship, challenges faced by U.S. businesses, and areas for potential cooperation, it added.

Last week, China said it welcomed Raimondo's expected visit.

Raimondo said recently that she wanted to raise with China "really serious concerns about the way they are targeting U.S. tech companies, about the way they don't respect intellectual property but also try to find lanes of commerce."

Her trip follows a four-day visit last month by Treasury Secretary Janet Yellen, who held more than 10 hours of meetings with senior officials in Beijing.

The U.S. and China agreed this month to approve twice the number of passenger flights now permitted by air carriers between the two countries, in a rare sign of co-operation between the world's largest two economies.

Raimondo was among a group of senior U.S. officials whose emails were hacked this year by a group Microsoft said was based in China, according to a person briefed on the matter.

Earlier, China's embassy in Washington said that identifying the source of cyber attacks was complex and warned against groundless speculations and accusations.

In July, Raimondo said the Biden administration was seeking to carefully target U.S. controls on exports to China.

Raimondo met Chinese Commerce Minister Wang Wentao in May, discussing trade, investment and export policies in what was until then the first U.S.-China cabinet-level exchange in months, after a string of trade and national security irritants derailed plans for re-engagement.

In April, Raimondo warned Chinese cloud companies could pose threats. Some Republican senators want her to add such companies to the entity list that imposes U.S. export controls on foreign companies. (Reporting by David Shepardson; Editing by Clarence Fernandez and Marguerita Choy)