Address：NO.3312 Tingwei HWY,Jinshan Dis,Shanghai,China 
Zip Code：201507
Tel：+86-021-67256919     +86-021-67256959
Fax：+86-021-23025637     +86-021-67256939 
E-mail：qh@qhquartz.cn
　　　　sales@qhquartz.cn