Jiangsu Changling Hydraulics Co., Ltd. was established in December 2006, Located in Jiangyin, Jiangsu, China. The company is an international leading provider of hydraulic components including slewing drives, central turning joints, hydraulic tensioning devices, springs and valves, etc. These products are widely used in the industry of construction machinery, mining machinery, and offshore operating, etc. Jiangsu Changling Hydraulics has spearheaded to draft the National Standard of GB/T 25629-2021 Central Turning Joints for Hydraulic Excavators in 2010. Jiangsu Changling Hydraulics is also a standing director of Mechanical Parts Branch of China Construction Machinery Industry Association. Jiangsu Changling Hydraulics not only has advanced machining equipment, assembly lines and complete sets of testing equipment, but also has set up an advanced quality management system and passed the ISO9001:2015. We also has got the environmental management system and passed the ISO 14001:2015. Our products is not only sold in the China mainland and Taiwan, but also exported to the international markets including US, Japan,South Korea, etc. Your visit or contact is warmly welcome!


Established in


High-tech products




Years of steady development


Annual output

Core Strengths

Profound technology accumulation product development and innovation
Strict quality control and high brand reputation
High-quality customer resources and significant market advantages

Enterprise history

  • 1978
  • 1980
  • 1982
  • 1991
  • 1996
  • 1998
  • 2000
  • 2001
  • 2004
  • 2006
  • 2008
  • 2009
  • 2010
  • 2011
  • 2014
  • 2015
  • 2018
  • 2020
  • 2021
  • Create a village-run enterprise, the main products are hardware and hydraulic parts;
  • Business cooperation with Changzhou Changlin Co., Ltd., supporting hydraulic components;
  • Hydraulic products add overflow valve, throttle valve, etc.;
  • Jiangyin Changling Hydraulic Machinery Factory was established;
  • Developed the central rotary joint for hydraulic excavators;
  • The village-run enterprise was restructured into a joint-stock cooperative enterprise;
  • Chairman Xia Jifa holds the company and presides over the production and operation management of the company;
    The new product hydraulic central rotary joint has passed the technical appraisal of the science and technology department of Jiangsu Province;
  • Passed the ISO9002 quality system certification;
  • The company relocated to No. 1 Dayuanli Road, Yunting Industrial Park;
    Passed ISO9001:2000 quality system revision certification;
  • The first national invention patent for the hydraulic central rotary body;
    Jiangyin Changling Machinery Manufacturing Co., Ltd. was established;
  • Passed ISO/TS16949 quality management system certification;
    When the joint-stock cooperative operation expired, the minority shareholders withdrew, and the chairman Xia Jifa fully capitalized the company;
  • Develop guide wheels for hydraulic excavators;
  • Presided over the drafting of the national standard "GB/T25629-2010 Hydraulic Excavator Central Rotary Joint";
  • The "Hydraulic Key Components Expansion Project" is listed as a central project for national key industry revitalization and technological transformation;
    Awarded as a high-tech enterprise in Jiangsu Province;
  • The company moved to No. 885 Yungu Road, Yunting Industrial Park;
    The excellent platinum-level supplier with Caterpillar SQEP certification.
  • "Bilin" trademark is recognized as a famous trade­mark in Jiangsu Province.
  • After completion of the joint-stock system transforrna­tion. the Company was renamed as "Jiangsu Changling Hydraulic Co., Ltd."
  • The company's operating income reached a record high of 860 million yuan;
  • On March 22, the company's first stock offering was successfully listed on the Shanghai Stock Exchange's A-share market, raising 890 million yuan;
    On November 11, Jiangyin Lianhua Foundry and Jiangyin Far East Heavy Industry Foundry Project were acquired for 275 million yuan
  • core strengths

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