The development history of the company
-1990 -1993
The first detachable bucket dredger has been successfully developed and manufactured,filling the gap at home and abroad.
-1995
The dredger was successfully update,and gearbox,reverse gearbox and filter pieces were used.
-1997
In the production of bucket type gold dredger,the technology of sticking gold felt is used.
-1999
The second generation bucket dredger has been successfully developed and has been used up to now.
-2000
The research and development of four-wheel walking excavator cooperated with Beijing Academy of Agricultural Sciences was successful.
-2001
The vibrating screen and washing wheel have been successfully developed and used up to now.
-2003
The magnetic separator was installed on the dredger,and the river magnetic separator was successfully developed.
-2005—2007
The first generation of small and medium-sized dredgers can fill the gap.
-2008
The first generation of salt dredger was successfully developed.
-2009
Csd300 cutter suction dredger was successfully exported to Russia, Nigeria and India.
-2010
It has been successfully developed and exported to Poland through European CE certification.
-2011
Germany's large-scale water washing equipment,three pile positioning cutter suction dredger and the first multi-functional working boat have been successfully developed, and the national ZC ship inspection certificate has been obtained through the inspection.
-2012
The csd300 cutter suction dredger was customized for Heilongjiang Waterway
Bureau and obtained the national ZC ship certificate.
-2013
The research and development of 300 ton bucket sand dredger was successful, and obtained ZC certificate of national ship inspection.
-2014
Self propelled trailing suction dredger has been successfully developed.
-2015
"China's new clay king" has been successfully developed to replace "Finland water king" and fill in the domestic gap.
-2016
China's first 1300 ton cutter suction tin ore ship has been successfully developed and successfully produced large transport platform for Guyana (French).
-2017
Finland mixing head and accurate metering powder tanker have been successfully developed and mass produced.
-2018
In the same year,the third generation amphibious salt dredger was successfully developed.
-2019
Five large dredgers were produced for China Railway No.20 Bureau.The 5000 m2/h cutter suction dredger with national ZC ship inspection certificate was successfully constructed.
-2020
The first dredger with a depth of 35 meters has been successfully developed and put into use in Cambodia.It perfectly controls the 150 meter deep dredging technology and leads a new breakthrough in the world's deep-water dredging industry.
-2021
2 sets of 6000m3/h cutter dredgers delivered to UAE for the construction of a destroyer port; 4 sets of dredging/solidification equipment were delivered to the Asian Investment Bank for Lake dredging
-2022
2 sets of Amphibious Dredgers delivered to Colombia; SCO·HID Marine Equipment Technology Co founded in Qingdao City
-2023
China first large Tin ore mining dredger won the "2022 World's Best Mining Work Boat Award"
4500m3/hour cuter suction dredger for Yangtze River dredging in Taizhou, Jiangsu
Split 850t/hour chain bucket dredger delivered to China Power Construction Yahekou Reservoir
Cutter suction dredger with a 7000m3/h capacity. Double pumps. And 5000m discharge distance launched in Maldives
SCO (Qingdao) Haohai Company established an academician station with Russian academicians
