Hi. I am applying for china and HK multiple business visa.

I have Pakistan passport and having valid work visa till 2014 for Nz. Applying multiple business visa for HK and china on behalf of my employee at Nz. Also received invitation and sponsor from china and HK business partners of my company at Nz.
What is the fee and process to apply do I send all related documents to china consulate at Auckland through courier for both visa s. at same time? Or I have to visit personal or due to Pakistani passport I have to send my passport and documents to Willington china embassy?