visa on arrival at Haikou Airport

I'm Malaysian will be going to Haikou alone on next Wed for meeting. I have a visa which i apply in China embassy in Tokyo. But i will renew my passport in Malaysia before i visit Haikou.
So i will hold two passports (New & old) to Haikou and the immigration officer will admit my visa which in my old passport or not ? if not, Can I get a visa on arrival at Haikou Airport?