Cuban said on Wednesday in an X post that he "had an interesting conversation with the @KamalaHarris team about protecting American companies from Chinese Knockoffs."
"Knockoffs are a plague on small businesses, that costs them time, money and may put them out of business. Right now all marketplace platforms do is help them play whack-a-mole. Which I don't believe is enough," he said.
"Should we require marketplace platforms to vet all foreign manufacturers selling on marketplaces selling to USA consumers Any suggestions on best approach?" Cuban continued.
Cuban did not say when the conversation took place or what further strategies were discussed.
"Kamala is focused on supporting and protecting American companies from unfair foreign competition. Let me know what suggestions you have!" Cuban wrote.
Cuban and representatives for the Harris campaign did not immediately respond to requests for comment sent outside regular business hours.
This isn't the first time Cuban has expressed support for Harris' economic agenda . The "Shark Tank" star has been a vocal supporter of Harris ever since she took over as the Democratic nominee from President Joe Biden .
"I talk to them. I tell them I'm going to say what's on my mind. They say as long as you say you don't speak for us, go for it," Cuban told Axios of his conversations with the Harris campaign.
Cuban previously expressed his interest and support when Harris said she would lower drug prices "by taking on pharmacy middlemen."
The billionaire has been trying to achieve the same goal with Mark Cuban Cost Plus Drugs , a low-cost online pharmacy he cofounded in 2022.
"Kamala Harris is pro-business," Cuban said on September 5 in an interview on CNBC's "Squawk Box."
"She's talked more about entrepreneurs and helping them have access to investment and making it easier for people to invest in startups than any president that I've ever heard talk about startups and entrepreneurs," Cuban told the CNBC host Andrew Ross Sorkin.
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