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Extracted from Annual Report 2022


Our products are used mainly in construction sites, infrastructure projects and in the shipbuilding industry. Our tower cranes are broadly classified into 4 series namely ST series, Topless STT series, Luffing STL series and Derrick Q series.

Manufacturing facility and process

Our production facilities are located in the PRC, namely Fushun City, Liaoning Province. Our latest state-of-the-art manufacturing facility in Fushun City incorporates modern manufacturing process flow, robotic welding arms and other high-tech machineries. With a stringent quality assurance system in place, we are generally able to deliver a tower crane within 30 to 90 days.


The ST tower cranes are suitable for use in construction sites of all sizes. Introduced in 2000, the ST tower cranes feature a conventional structural design where the tower head and tie bar reduces stress on the jib.

Topless STT

First introduced in 1999, the Topless STT’s design features a streamlined jib design and no tower head, which minimises space to allow jib overflight of adjoining tower cranes in a worksite. This makes the Topless STT tower cranes particularly suitable for worksites with space constraints. The Topless STT tower cranes are also designed to erect and dismantle quickly to save time which results in cost savings.

Luffing STL

First sold in 2004, the Luffing STL tower cranes offer a small slewing working radius due to a variable jib angle. This feature makes the Luffing STL tower cranes particularly suitable for use in worksites that are surrounded by existing tall buildings or where jibs are not allowed to sail over existing buildings.

Derrick Q

A tower crane under the Derrick Q series was successfully developed in 1998. The Derrick Q tower cranes are designed for dismantling internal climbing tower cranes in a safe and reliable manner. They are installed on the completed rooftops of buildings and can be assembled and dismantled by hand.