If you want to enter the China market and have a local presence you need to have a legally registered company. The legal registration and set up can take different forms depending on the business you wish to conduct locally.
You need to seek professional advice as to which type of entity will suit you best and be efficient from a cost and operation point of view. It is also necessary to determine if your type of Industry is allowed or not
allowed in China.
You will need to have a legally operating offshore company from which to establish your China business.

There are several types of  legal set up and legal entity,
* Representative Office
* Joint Venture
* Wholly Foreign Owned Enterprise,  This category includes;
    *Manufacturing, Processing and Assembly
    *Consultancy / Service
    *Trading
    *FICE - Foreign Invested Commercial Enterprise
                  Retailing,Wholesaling,Agent / Broker, Franchising

For business set-up assistance we recommend the following company.
A.C.T. Link
Mr. Les Smith
Room 717 Union Development Building of China
728 Xin Hua Rd, Channing District, Shanghai
Tel: +86 21 6294 1889
Email: information@actlink-china.com
Webb: www.actlink-china.com