In addition, the chamber has published a "red alert" warning Chinese textile manufacturers to stop exporting six categories of textile products to the United States.
The chamber said the US had shut its border to three categories of Chinese textiles and was likely to shut it against Chinese shirts of man-made fibre in a couple of days.
It quoted statistics from the China General Administration of Customs saying the clearance rate of trousers and men's shirts had reached 87 per cent and 85 per cent of the quota for this year, respectively, by July 12.
"The enterprises will have to bear a large risk if they hope to export as much as possible by a 'fluke' in the last few days before the US doors shut," the statement said.
The Sub-Council of Textile Industry, China (CCPIT)