Yes, it can easily be arranged through a travel agent here. The most well-known is China Travel Service
Note the documentation requirements:
(I) Visa Notification Form, or a letter issued by the company he/she is employed and the registration license of this company, or an invitation letter from the mainland company ant the registration license of this company.
(II) Under some circumstances, the applicants may be required to provide financial proof, a copy of Chinese hotel booking and return flight ticket booking.