1. The defendant's 581,494.51 US dollars to the plaintiff and 6% per annum from December 6, 2019 to August 26, 2020.

According to the purport of Gap's evidence Nos. 3, 4, 8, 11, 12, and 14 (including serial numbers; hereinafter the same shall apply) and the whole pleadings as to the cause of the claim, the plaintiff, a Chinese legal entity that produces and sells e-mail products, ordered the defendant to produce electronic equipment from January 2014 to November 2016 and supply the above products to C, etc. under the above order, and the plaintiff produced and supplied the products under the above order. ② The plaintiff's price of the goods to be received from the defendant on March 7, 2018, stated "No. 646,46.91 US dollars" as "No. 106 U.S. dollars for the above correction to 30 U.S. dollars 4, 201, and then requested the defendant to verify the amount of unpaid bill No. 986, Jun. 1, 206, 206.

However, the defendant sent a written request for confirmation of the amount of unpaid payment to the plaintiff.