hi, im Bengali, i have a chinese girlfriend, but we both divorced long time ago and we have child.

i am going to china several time for business. presently one year visa i have . but we are decided to get marriage properly. and i want to go there permanently . i have my divorced certificate and notarized but i knew need a single certificate for get marry but single certificate issue only our special branch and district commissioner. it is long time procedure . so tell me how can marry with my gf. and which one best in marriage bangladesh or china resigtration marry . and without single certificate can possible to residence ? ps ans me .