I want to send my amendment to the invention patent to China National Intellectual Property Administration Patent Office by express delivery. What's the phone number, please? Thank you!

The mailing address is: China National Intellectual Property Administration Customer Service Center, No.6, Xitucheng Road, Jimenqiao, Haidian District, Beijing, with the postal code of 100088. Patent application acceptance consultation: 0 10-62085500 Patent application fee consultation: 010-62085566/8166.