Traveler in New Zealand and want to visit China

hello my name is Jamie i am wondering if you can help me i am a citizen of both Israel and South Africa, but I am currently in New Zealand on holiday, I need to get a visitors visa for China, for about 2 or 3 weeks. I have booked a flight and I have been invited by close friends to live with them for this duration of time. your assistance would be greatly apriciated. Please contact me at your earliest convenience, as this is an urgent matter. Thank you