If you work in China on a Z visa, your wife and doughter can apply for either a family visit visa (L) or Z visa as your dependents. The required documents are as follows:
2. Proof of relationship - original birth certificate or marriage contract.
3. Invitation Letter issued by local China foreign office.
4. Copy of your valid residence visa, working visa, working card and passport information page.
5. Applicants who are 7 years old and above shall provide a Physical Examination Certificate for Foreign Citizen.
6. Their passports with blank pages and at least 6 months validity left before expiration.
7. A truly and completely filled Visa Application Form (Form V2011A) affixed with one passport-size or 2x2 colored photo. And also form V2011B.