What kind of Chinese food are you looking for?
There are Peking(duck, noddle), Canton ( Seafood, Dim Sum), Hunan (Spicy), Schechwan (hot), Hong Kong (Canton with English infusion), Taiwan(delicious snacks), Mongolian (BBQ), Chinese Muslim, and many other differnt ethnic Chinese food. Most of these restaruants are in the San Gabriel Valley, either near Monterey Park/Alhambra or Hacienda Height/Walnut areas. Check Pasadena Star News or San Gabriel Tribune. They have good restaurants review.