The USCBC, in its 2021 member survey conducted in June among 107 US firms operating in China — almost half its members, found that though 95 percent of the polled companies were profitable last year. The respondents said strained US-China relations have had a detrimental impact on them. Qin, citing the business council's poll, said uncertainties caused by the difficulties and challenges facing China-US relations have been most worrisome to the US business community. "On concerns about the uncertainties in China-US relations, what I can offer is the certainty from the Chinese side," the envoy said. "China's economy is promising, its market potential is huge, and its door of opening-up will only open wider.