Abstract: A frame container for shipping chassis includes a base frame and corner posts. The base frame includes two bottom side beams each extending in a longitudinal direction between two corner posts and beams extending between two bottom side beams in a direction that is perpendicular to the bottom side beams. Each bottom side beam includes an upper surface and a lower surface extending in the longitudinal direction between the two corner posts and a locking hole defined between the upper and lower surfaces for receiving a twist lock of a chassis.

Abstract: A method used for loading semi-trailer chassis into a container, wherein the container includes a base frame and four frame structures attached to corner posts of the base frame. Four semi-trailer chassis are stacked into the container from bottom to top, where the first semi-trailer chassis is placed upside down, the second semi-trailer chassis is placed right-side up and turned horizontally at a 180 degree angle, the third semi-trailer chassis is placed upside down, and the fourth semi-trailer chassis is placed right-side up and turned horizontally at a 180 degree angle.

Abstract: A method used for loading of container shipping semi-trailer chassis, in which container mentioned includes base frame and four frame structures fixed on angle post of base frame; four semi-trailer chassis are loaded into the container in the order from bottom to top according to positioning of the first semi-trailer chassis being placed upside down, the second one being placed upside up and turned by 180 degree horizontally, the third one being placed upside down, the forth one being placed upside up and turned by 180 degree horizontally.