GZJM aluminum frame docks are made from 6061 marina grade alloy. The pontoon frame consists of two edge profiles connected to each other by crossbars and diagonals. The frame can be connected by bolting or welding. The design of bolting connecting is patent protected. This design enables to significantly save the transportation cost and assembling cost.

All accessories, including fender, cleat, decking, floats, pile guide and fingers, can be attached or slide into positions, according to the operating requirements of the installations in question.

The configuration of the latter is thus never fixed and can evolve over time so as always to be optimized. The fingers are fitted to the pontoon by adapters to match different frame materials and designs, can be moored either by piles, chain or Seaflex, and have been designed for easy installation.