"China is strongly opposed to the United States' long-arm jurisdiction and unilateral sanctions on Chinese entities and individuals based on its domestic laws," Foreign Ministry spokesperson Geng Shuang said in a statement.
"China has been fully and completely implementing relevant UN resolutions on the Democratic People's Republic of Korea (DPRK), fulfilling its due responsibilities, and never allowed Chinese people and companies to engage in any activities violating UN resolutions", Geng said, adding that any violations would be dealt with seriously.
Beijing has urged Washington to immediately cease the wrong practice in order to avoid tension and obstacles between the two sides, the Xinhua reported.
In an advisory, the Treasury Department, the US State Department and the US Coast Guard, have also warned the public of significant sanctions they could face if they help to enable any shipments of goods to and from North Korea.
The advisory has also alerted the industries of North Korea's deceptive shipping practices.
Trump threatened to rain "fire and fury" on North Korea and also called North Korean leader Kim Jong-un as a "Little Rocket Man", while North Korea denounced Trump as a "mentally deranged" US dotard. (ANI)