:: China on Wednesday urged the US to withdraw new sanctions it imposed on Chinese companies that Washington says are supporting North Korea as it carries out increasingly ambitious missile tests.

On Tuesday, the Trump administration imposed sanctions on 16 mainly Chinese and Russian companies and people for assisting North Korea’s nuclear and ballistic missile programs and helping it to make money to support those programs.

Chinese foreign ministry spokeswoman Hua Chunying told reporters at a regular briefing that China opposes unilateral sanctions and “the long-arm jurisdiction taken” by the US against Chinese entities and individuals.

Among those sanctioned are six Chinese companies, including three coal companies.

Hua said Chinese authorities will follow their own regulations and laws to investigate and punish if necessary the companies in question.

China has been “earnestly and comprehensively” implementing UN Security Council sanctions on North Korea, and “our efforts are there for all to see,” Hua said. Washington says its own sanctions are intended to complement the UN ones, including the latest ones which were imposed after North Korea tested two intercontinental ballistic missiles last month that may be able to reach parts of the US