I don't know your 唐人街means China Town or any Chinese area. The following restaurants we usually go: They are not far(10 miles) from China Town and better.
東北酒家
Shenyang Restaurant
137 S. San Gabriel Blvd.
San Gabriel 91776
626-292-5758
麵對面
Happy Noodle 4815 N. El Monte Ave.
Temple City
91780
626-279-7558
潤豐元餃子店 Luscious Dumplings 704 W. Las Tunas Dr., #E4 San Gabriel 91776
626-282-8695
沸騰魚鄉 529 E. Valley Blvd., #168 San Gabriel 91776
626-280-0858
辣椒王湖南菜
Xiao Xiang Garden Inc. 534 E. Valley Blvd., #2-3
San Gabriel 91776
626-288-7993
半島海鮮酒家
New Capital Seafood Restaurant
140 W. Valley Blvd., D-4th Fl.
San Gabriel 91776
626-288-1899
紅葉食府 Hong Yei Restaurant
288 S. San Gabriel Blvd., #103
San Gabriel 91776
626-614-8188
潤豐元餃子店 Luscious Dumplings 704 W. Las Tunas Dr., #E4 San Gabriel 91776
626-282-8695
雲南過橋園
Hua's Chinese Delicacies
301 N. Garfield Ave., #D
Monterey Park
91754
626-571-8387