China, Vietnam sign deals as Xi visits Hanoi amid US tariff tensions

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Xi begins three-nation Southeast Asia trip in Hanoi

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Vietnam tightens controls on some China trade under US pressure

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45 agreements signed, including on rail links, supply chains

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Vietnam green-lights jets approved by China, government says

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China's COMAC signs deal with Vietjet, document shows

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Trump says countries trying to figure out how to hurt US

(Adds Trump administration official comment, paragraph 15)

By Francesco Guarascio, Khanh Vu and Phuong Nguyen

HANOI, April 14 (Reuters) - China's President Xi Jinping called on Monday for stronger ties with Vietnam on trade and supply chains amid disruptions caused by U.S. tariffs, as he attended the signing in Hanoi of dozens of cooperation agreements between the two communist-run nations.

The visit, planned for weeks and part of a wider trip in Southeast Asia, comes as Beijing faces 145% U.S. duties, while Vietnam is negotiating a reduction of threatened U.S. tariffs of 46% that would otherwise apply in July after a global moratorium expires.

"The two sides should strengthen cooperation in production and supply chains," Xi said in an article in Nhandan, the newspaper of Vietnam's Communist Party, posted ahead of his arrival on Monday. He also urged more trade and stronger ties with Hanoi on artificial intelligence and the green economy.

After he met Vietnam's top leader, To Lam, the two countries signed dozens of cooperation agreements, including deals on enhancing supply chains and on cooperation over railways, footage of the documents reviewed by Reuters showed.

Chinese and Vietnamese state media later on Monday reported that 45 agreements were signed.

The content of the agreements was not disclosed and it was unclear whether they involved any financial or binding commitments.

Under pressure from Washington, Vietnam is tightening controls on some trade with China to make sure goods exported to the United States with a "Made in Vietnam" label have sufficient added value in the country to justify that.

"There are no winners in trade wars and tariff wars," Xi said in his article, without mentioning the United States. Later, in a meeting with Vietnam's Prime Minister Pham Minh Chinh, Xi said the two countries should oppose unilateral bullying, according to Chinese state media Xinhua.

One memorandum of understanding signed on Monday is to boost cooperation between the China Council for the Promotion of International Trade and the Vietnam Chamber of Commerce and Industry, which issues certificates on the origins of goods.

Vietnam is a major industrial and assembly hub in Southeast Asia. Most of its imports are from China while the United States is its main export market. The country is a crucial source of electronics, shoes and apparel for the United States.

In the first three months of this year, Hanoi imported goods worth about $30 billion from Beijing while its exports to Washington amounted to $31.4 billion, Vietnam's customs data show, confirming a long-term trend in which imports from China closely match the value and swings of exports to the U.S.

U.S. President Donald Trump said on Monday the two countries' discussions were focused on how to harm the United States, but that he did not blame them for holding such talks.

"I don't blame China; I don't blame Vietnam," Trump told reporters at the White House. "That's a lovely meeting. Meeting like, trying to figure out, 'how do we screw the United States of America?'"

A Trump administration official said the Republican president and Vietnam's Lam "earlier this month agreed to work to reduce reciprocal tariffs and looked forward to an in-person meeting in the near future."

RAIL LINKS, PLANES

After a two-day stop in Hanoi, Xi will continue his Southeast Asian trip by visiting Malaysia and Cambodia from Tuesday to Friday. He last visited Cambodia and Malaysia nine and 12 years ago, respectively.

Xi's trip to Hanoi, his second in less than 18 months, aims to consolidate relations with a neighbour that has received billions of dollars of Chinese investments in recent years as China-based manufacturers moved south to avoid tariffs imposed by the first Trump administration.

Vietnam's Lam in an article published on Monday in Chinese state media said Hanoi wanted to boost cooperation in defence, security and infrastructure, especially on rail links.

Vietnam has agreed to use Chinese loans to build new railways between the two countries, in a major confidence-building step that would boost bilateral trade and connections.

However, no credit agreement has yet been announced. Later on Monday Lam encouraged China to offer concessional loans, according to Vietnamese state media.

After prolonged pressure, Beijing obtained Vietnam's approval for planes authorised by the Chinese aviation regulator, which paves the way for the use of China-made COMAC passenger jets in the Southeast Asian nation.

COMAC planes are operated by several Chinese companies but have so far struggled to find foreign buyers or be approved abroad.

On Sunday, Vietnam's budget airline Vietjet and COMAC signed a memorandum of understanding in Hanoi, according to an invitation to the event seen by Reuters.

The content of the agreement has not been announced yet, but Reuters reported in past weeks that under a draft deal, Vietjet would lease two COMAC C909 planes, operated by crew from Chengdu Airlines, on two domestic routes.

Despite strong economic ties, tensions frequently surface between the two countries over contested boundaries in the South China Sea.

Vietnam's concessions to the U.S. to avoid tariffs may also irritate Beijing, as they include the deployment of Elon Musk's Starlink satellite communication service in the Southeast Asian nation, in addition to the crackdown on some trade with China over possible fraud on rules of origin.

Vietnam, in recent months, has also imposed anti-dumping duties on several Chinese steel products and ended a tax waiver for low-value parcels in a move that government officials described as aimed at reducing the inflow of cheap Chinese goods.

(Reporting by Francesco Guarascio, Khanh Vu and Phuong Nguyen, Thinh Nguyen, Athit Perawongmetha in Hanoi, Liz Lee in Beijing, Gram Slattery and Trevor Hunnicutt in Washington; Writing by Francesco Guarascio; Editing by Himani Sarkar, Lincoln Feast, Hugh Lawson and Rod Nickel)