Hello i am Enayatullah from Afghanistan Kandahar province i want to go China for business

You need to prepare those documents first: your passport and copy of its data page, the completed application form attached with a passport-style photo, an invitation letter of a duly authorized unit, your company’s business registration certificate, and non-criminal certificate. Your business partner in China can get the invitation letter of a duly authorized unit for you.
Next, submit the application to China embassy to apply for Chinese business M type.