1, open the crane need two certificates, one is running on the ground, to B2 license, but also a crane operator, need to obtain the "Chinese people's **** and the State Special Equipment Operator Certificate" (mobile crane project).
2, B1 driver's license for medium-sized passenger car, which is defined as the number of authorized passengers 10 people (including) or more, 19 people (including) the following medium-sized passenger car, other permitted driving type C1 (small car), C2 (small automatic transmission vehicles), C3 (low-speed trucks), C4 (three-wheeled vehicles), M (wheeled self-propelled mechanical vehicles). It should be noted that B2 is not included in the permitted driving type of B1 license.