The foreign ministry spokesman said some Chengdu consulate personnel were 'conducting activities not in line with their identities' and had interfered in China’s affairs and harmed China’s security interests, but he did not say how.
The pushback from Beijing came a day after the US announced visa restrictions for Huawei employees and those of other Chinese firms if they were involved in human rights abuses.
Zynn, a product of China's number-two video app maker Kuaishou, launched in May and became the most popular free app in the US Apple App Store just a month later.
The Trump administration on Friday moved to block global chip supplies to blacklisted telecoms equipment giant Huawei Technologies.
Trump was reiterating a position long held by his administration, including David Malpass when he was a Treasury Department official before his election as the current head of the World Bank.
Treasury Secretary Steven Mnuchin will also attend the White House event, to which chipmakers Intel Corp and Qualcomm Inc have been invited, the people said.
Global shares were buoyed by the announcement, with Wall Street rallying on Tuesday and Asian stock markets surging on Wednesday.
In a statement, China said the historical experience has proved that any attempt to force a deal through tactics such as smears, undermining and maximum pressure will only spoil the cooperative relationship.
Beijing's move hits $60 billion worth of US goods with new punitive tariffs ranging from five to 25%, and comes in retaliation for Washington raising duty on $200 billion in Chinese goods to 25%.
The US crackdown, announced on Wednesday, was the latest shot fired in a US-China trade war that is rattling financial markets and threatening to derail a slowing global economy.
Ministry spokeswoman Hua Chunying told a daily news briefing on Thursday that the law would harm China-US relations if it is implemented.
Wrapping up a two-day summit, leaders will strive to craft a statement on the uncontroversial parts of their agenda - pushing for deeper economic integration.
Secretary of State Mike Pompeo, Defense Secretary Jim Mattis, Chinese politburo member Yang Jiechi and Defense Minister Wei Fenghe will take part in the talks.
US Customs and Border Protection said in a notice it would begin collecting the 25% duties on 818 product lines identified in June by the US Trade Representative’s Office.
The United States has “a big disadvantage with the WTO. And we’re not planning anything now, but if they don’t treat us properly, we’ll be doing something,” Trump said, without elaborating.
Mattis, the first Pentagon chief to visit China since 2014, was expected to first meet his Chinese counterpart, Defence Minister Wei Fenghe.
The US State Department will implement measures from 11 June to “enhance security for some Chinese visa applicants,” the official said.
Financial markets, unsettled for days by the trade fight and Trump’s management of it, whipsawed again on the new threat.
