Tax Agency Service includes: tax registration, variation, de-registraiton; tax declaration and withholding; apply for tax reduction, exemption, refund, supplementary payment and tax deferral; invoice related agency service; tax preferential treatment application; tax related certificate application; tax clearance service for foeign exchange payment purpose of non-resident enterprises; establish accounting books and bookkeeping; agency service for tax administrative reconsideration and administrative litigation, etc.