I am living in Saudi Arabia 35 year I have previous 5 to 6 visit China I can get a visa from Karachi

Before the end of year I want to go in China can I get the visa from KarachiI have all the documents and also I have three company my name and also I have the all the work visas Usa united kingdom Canada South Africa resident permit And Japan All valid visa So please let me know if they can I take from Karachi thank you very much