The second gradient

Available undertaking industry from the first gradient

The third gradient

Available undertaking industry from the first and the second gradient

Jiangxi

C13; C14; C15; C17; C22; C26; C27; C31; C34; C35; C36; C39; C40; C41; C33

Shanxi

C13; C16; C36; C40; C41; C25

Anhui

C13; C22; C26; C27; C31; C32; C33; C34; C35; C37; C41; C39

Shaanxi

C13; C14; C15; C22; C28; C31; C32; C33; C34; C37; C39; C25

Hunan

C13; C14; C15; C17; C22; C26; C27; C31; C33; C34; C35; C36; C39; C41; C16

Yunnan

C14; C15; C25; C32; C34; C37

Hubei

C13; C14; C15; C26; C40; C41

Inner Mongolia

C13; C15; C16; C17; C22; C25; C26; C27; C31; C32; C34; C35; C36; C37; C39; C14; C33

Guangxi

C14; C15; C16; C25; C31; C32; C34; C36; C37; C39; C40

Heilongjiang

C13; C16; C35; C36

Ningxia

C13; C15; C17; C27; C31; C39; C25

Hainan

C16; C22; C31; C35

Xinjiang

C16; C26; C34; C39; C41