U.S. used equipment import customs clearance what information is needed

Hello, my company has handled the import of second-hand equipment customs clearance, on the import of second-hand machinery processes, costs and procedures are introduced here:

Import of second-hand equipment customs clearance process procedures:

A, second-hand machinery imports need to apply for the formalities:

Import of old mechanical and electrical products pre-shipment inspection and quarantine certificate (referred to as: inspection)

Import of License (referred to as: mechanical and electrical certificate)

Import Commodity Inspection and Customs Clearance

What information do you need to prepare for the import of second-hand machinery:

Needed: packing list, trade contract, photos of the mechanical appearance, photos of the nameplate of the equipment, the mechanical function of the instruction manual, the Customs code, the name of the Chinese product, brand, place of origin, the value of the goods, the manufacturer, the new and old

What are the procedures to be prepared?