There are increasing number of Chinese companies listing in US.
Chinese companies listed on NYSE/NASDAQ/AMEX
ACH | ACTS | ADY | ALN | AMBO | AMCF | AMCN | AOB | ASIA | ATAI | ATV | BCDS | BIDU | BITA | BNSO | BONA | CAAS | CADC | CAF | CALI | CAST | CBAK | CCCL | CDII | CEA | CEDU | CEO | CGA | CHA | CHC | CHDX | CHL | CHLN | CHN | CHNG | CHNR | CHOP | CHU | CISG | CLWT | CMED | CMFO | CNAM | CNGL | CNTF | CNYD | COGO | CPGI | CPHI | CPSL | CSIQ | CSKI | CSUN | CTC | CTDC | CTEL | CTFO | CYD | CYOU | DANG | DGW | DL | DSWL | EDU | EFUT | EJ | FEED | FFHL | FMCN | FSIN | FXI | GA | GAI | GAME | GCH | GIGM | GRO | GRRF | GSH | GSI | GSOL | GU | HEAT | HIHO | HMIN | HNP | HOGS | HPJ | HSOL | JADE | JASO | JFC | JOBS | JRJC | JST | KNDI | KONG | KUN | LAS | LDK | LONG | LTON | MGH | MOBI | MPEL | MR | NCTY | NED | NEP | NINE | NPD | NTE | NTES | OSN | PGJ | PTR | PWRD | QIHU | QXM | SCLN | SCR | SEED | SHI | SHZ | SINA | SINO | SKBI | SMI | SNDA | SNP | SOHU | SOL | SORL | SPRD | SPU | SSRX | SSW | STP | STV | SUTR | SVA | SVN | SYSW | SYUT | TBOW | TSL | TSTC | UTSI | VIMC | VISN | VIT | WH | WUHN | WWIN | WX | XIN | XING | YGE | YOKU | YTEC | YZC | ZA | ZNH | ZSTNSome of those stocks are also listed in Hong Kong, the prices of thosed stocks often traded in parity with their counterpart listed in Hong Kong. You need to check the stock prices of those counterparts listed in Hon Kong before you traded those stocks. The following link lists those companies and their stock prices in both US and Hong Kong. Also listed in the list is their prity prices to the prices in Hong Kong.
Stocks Listed in Both US and Hong Kong