Recently, Sichuan Construction Machinery ( Group ) Co., Ltd. to design and manufacture a large tower crane boom D650 successful trial.

D650 boom tower crane is built Chuan (Group ) self-developed large tower crane boom , rational machine overall layout, advanced agency performance , applicable to all large dense high-rise buildings, bridges, water conservancy and hydropower , thermal power , nuclear power and other projects project construction .

The aircraft maximum weight of 50t, ends hoists 5.9t, maximum working range of 60m. Tower crane hoisting mechanism 217LVF Series variable frequency drive mechanism which is the latest independent research company AC inverter hoisting mechanism , variable speed can be fully realized , greatly improve the efficiency of the tower crane ; luffing mechanism also uses the latest independent company BVF series developed mechanism which is frequency agency , institution running smoothly , using shoe brake and hydraulic brake double brake form, so that tower more secure. Two new agencies are the company after a long market research, practice, and constantly optimize the design and improve the dust, moisture levels, greatly improve the life of institutions. Slewing mechanism uses RCV Series variable speed system, easy to operate, reached the international advanced level.

Sichuan Construction ( Group ) always adhere to scientific and technological innovation , focusing on the use of new technology, new product development , dominate the market , forming a unique wealth of product categories. To "SCM" as a symbol of construction machinery products with brand and quality assurance , has been widely used in major engineering projects at home and abroad .