The United States and China agreed on Monday to hold regular conversations about commercial issues and restrictions on access to advanced technology, the latest step this summer toward reducing tensions between the world’s two largest economies.The announcement came during a visit to Beijing by Gina Raimondo, the U.S. commerce secretary, who is meeting with senior Chinese officials in Beijing and Shanghai this week.The agreement to hold regular discussions is the latest move toward rebuilding frayed links between the two countries, a process that had already begun during three trips in the past 10 weeks by senior American officials: Secretary of State Antony J. Blinken, Treasury Secretary Janet L. Yellen and John Kerry, the president’s climate envoy.“I think it’s a very good sign that we agreed to concrete dialogue, and I would say, more than just kind of nebulous commitments to continue to talk, this is an official channel,” Ms. Raimondo said in an interview after four hours of negotiations with China’s commerce minister, Wang Wen …
