Development History

In 1985, Zhejiang Yinxian Jiangshan Chen Jieqiao Hardware Factory was established, with the main production of mining hose connector.
In 1990, Zhejiang Yinxian Jiangshan Chen Jieqiao Hardware Factory was renamed Zhejiang Yinxian Jiangshan Hydraulic Part Factory.
In 1998 Zhejiang Yinxian Jiangshan Hydraulic Part Factory was renamed Zhejiang Yinzhou Great Wall Coal Mine Equipment Factory, with the main production of mining hose coupler and intermediate joint.
In 1999, the factory was equipped with 4 advanced cold, warm and hot extrusion forging production lines.
In 2000, the factory was equipped with a full set of numerical control production line.
In 2002, the factory entered the field of coal mine hydraulic manufacturing.
In 2008, based on Zhejiang Yinzhou Great Wall Coal Mine Equipment Factory, Ningbo Long Wall Fluid Kinetic Sci-Tech Co., Ltd. was registered.
In 2009, the manufacturing equipment was fully replaced, and a full set of Germany's most modern high, fine, sharp production equipment was introduced, as well as the excellent management team.
In 2010, mining hydraulic production line was developed for hydraulic support in a full set.
In 2010, professional and technical personnel were introduced, and mining support electro-hydraulic control system was developed.
In 2010, the company won the honor of National New High-Tech Enterprise.
In 2011, the electro-hydraulic control underground industrial test was completed, and the hydraulic hose production line was set up.
In 2011, the company achieved national safety mark certification.
In 2013, the company purchased the land of 34 acres to build a new plant in Yinzhou District, Ningbo City.
In 2018, new processing base will come into full use.