Hunan Changhe Machine Co., Ltd, restructured from Hunan Changsha Metallurgy Machinery, is a professional manufacturer specializing in development, production and sale of piling drivers. With the supports of Hydraulic Machine and Control Technology Research Institute of Central South University (CSU), Changhe was awarded Hunan Province High-tech Enterprise by hunan province government in 2004.
The company is located in Xiaduopu machinery industrial park of ningxiang county of changsha city in hunan province, at the exit of east ningxiang of the highway from changsha to changde ,There is about 45 kilometers apart from the changsha railway station and about 70 km apart from the huanghua airport.
There are over 300 staff member in Changhe by Juneof 2011。 Among them, 70% has education background of diploma。 There is a professional R&D team, whose members is over 10% of total staff and has degree of doctor or master or Bachelor。 Moreover, there are over 30 doctor or master postgraduate from CSU doing scientific research work for Changhe。
Changhe dedicates to the technical improvement of piling driver and has accumulated rich experience in the production of the following products: ZYB series Hydraulic Static Pile-pressing Driver (80~1500t), ZCY series Hydraulic Pile Hammer, ZL-D series Step-type and Crawler-type Long Screw Drilling Machine, ZL-Y series large diameter rock-penetrating hydraulic rotary head Long Screw Drilling Machinery, CHR rotary drilling rig, SMW series Three-shaft Drilling Rig, CH-YYG series hydraulic rock drilling rig etc。 The products above have widely been applied in the pile construction of building foundation, bridge foundation, airport foundation, roadbed of railroads and trackless roads, as well as the rock drilling of roads, tunnels, mining and quarrying。
With the features of rigidity, durability and reliability, Changhe’s products are popular in both national and overseas market。 They have been exported to many regions and couturiers such as Hong Kong, Macao, Indonesia, Malaysia, Singapore, Philippines, Burma, Vietnam, South Africa and Russia。 etc。