Online Message

We will contact you within one working day. Please pay attention to your email.

What services can Dr. Jinggong provide for you


A hydraulic component production entity enterprise integrating processing, manufacturing, assembly, sales, and service, with more than 50 advanced production equipment, assembly equipment, and testing equipment, as well as an experienced hydraulic engineer technical team of more than 20 people, specializing in the application solutions of hydraulic products in the mechanical industry, as well as the production of motors, steering gears, winch reducers, hydraulic pumps, oil cylinders, screw drills, and sales of related hydraulic products. The company has independent import and export permissions and a high-quality professional trade team, accumulating numerous advantageous channels. It has directly established stable and friendly cooperative relationships with world-renowned brand manufacturers from multiple countries and purchases directly from foreign manufacturers. At the same time, we have also obtained the agency rights for multiple brands in the Chinese region, established efficient and fast supply channels, and strived to provide the highest quality service and most considerate prices for domestic customers.

Recommend reading


Gerotor Motor Abnormal Vibration: Cavitation, Bearing Damage and Assembly Error

This article summarizes gerotor motor abnormal vibration causes including hydraulic cavitation, bearing fatigue wear and assembly centering errors. It delivers practical identification methods, standardized correction skills and universal maintenance standards for field troubleshooting.


Gerotor Motor Low Output Torque Fault Analysis and On-site Inspection

This paper analyzes gerotor motor low-torque faults, introduces zero-tool field detection, and verifies solutions with sweeper and tiller practical cases.


Pressure Cannot Be Built Up After Installing New Multi-way Valve | Circuit & Component Check

This guide covers universal new multi-way valve no-pressure faults, standardized troubleshooting steps, and practical solutions verified with ZD102, ZDa15, ZSL118 real cases.


Multi-way Valve Heat Generation: Causes, On-site Judgment and Improvement Measures

This article analyzes multi-way valve overheating mechanisms, provides no-tool field judgment methods, distinguishes different heat-generating faults, and offers practical improvement schemes with real equipment cases.


Multi-way Valve External Oil Leakage Troubleshooting and Seal Replacement Guide

This guide covers multi-way valve external leakage identification, seal selection, standard replacement steps and real equipment repair cases for field maintenance.


Hydraulic Valve Internal Leakage Simple Test Method Without Professional Tools

This blog introduces 5 zero-tool field tests for hydraulic valve internal leakage, with detailed tables and real cases for fast on-site fault diagnosis.

Online Message

We will contact you within one working day. Please pay attention to your email.