Main field : year、district、value1、percentage1、value2、percentage2、population、value3、frequency

Main field : year、com_name、item

Main field : year、item、count

Main field : county_code、count

Main field : city、companyname、cnfdctnumber、status、validdate、batterycn、batteryen、batteryform、batteryshape、batterysize、batterytype、batteryhg、batterycd、manufacture、photo1、photo2、photo3、photo4

Main field : year、item、count

Main field : question、answer、picture

Main field : dlist_type、emi_type、emi_year、emi_month、emi_name、emi_cuntry、emi_value、emi_units、emi_scalar

Main field : company_name、com_ctr_no、tel、sign_address、business_address、sale_item

Main field : emi_year、emi_month、pron_class、emi_value、emi_units、emi_scalar