Industry News
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Why Do the Solenoid Valves You Choose Always Suffer from Slow Response, Leakage, and Poor Durability?
Have you ever encountered situations like this—solenoid valves on the production line responding sluggishly, slowing down the entire workflow? Or perhaps the solenoid valves in your equipment frequently leak fluids or air, not only delaying project timelines but also requiring frequent shutdowns ...Read more -
Why Has the Hydraulic Pilot System Become the Key to Efficient and Precise Control in Construction Machinery?
In industries such as construction machinery, lifting and transportation, metallurgy, and port equipment, the precision, stability, and efficiency of control directly impact operational results and equipment lifespan. Traditional direct hydraulic control systems often rely on operators directly d...Read more -
Why Do Too Short or Too Long Oil Pipes Cause Vibration in the Pilot Handle?
I. Resonance Caused by Over‑Short and Over‑Thin Oil Pipes When the hydraulic oil pipes connected to the handle are both too short and too thin, resonance can be triggered from two perspectives. From a fluid mechanics standpoint, thin pipes restrict the flow cross‑section of hydraulic oil, increas...Read more -
How to Operate an Electric Proportional Joystick Professionally?
How to Use an Electric Proportional Handle Professionally? In wheeled excavators operating with gripper attachments, the electric proportional control handle is a core component for achieving precise gripping operations. It addresses the three main needs of gripper operation: “adjustment of...Read more -
How to Ensure Relief Valves Stabilize Pressure and Avoid Causing Problems in Hydraulic Systems？
Why do some relief valves, after installation, either cause system pressure spikes that damage the seals, or result in unstable pressure fluctuations? To ensure relief valves effectively act as “safety gatekeepers” in hydraulic systems, focus on three key aspects: selection, calibrati...Read more -
How does the new loader control handle of Flag-up lead the new trend of construction machinery parts upgrading?
The answer may lie in the cooperation between Ningbo Flag-up Hydraulics and Shantui Dezhou. As a technology-innovative hydraulic enterprise rooted in Ningbo Wangchun Industrial Park Flag-up Hydraulics has laid a solid foundation for the new loader control handle with profound technical strength. ...Read more -
How to Resolve Pressure Stabilization Challenges in Hydraulic Systems
Fluctuating operating conditions and uneven loads of hydraulic equipment are prone to causing pressure imbalances, which impairs operational accuracy and shortens equipment service life, becoming a thorny issue in production across many industries. SPASSUN Hydraulic Technology (Ningbo) Co., Ltd.,...Read more -
How to Break Through the Technical Bottlenecks of Wheel Excavator Braking Technology? Flagup Hydraulic Leads Industry Innovation
With the growing demand for wheeled excavators (referred to as “wheel excavators” for short) in urban infrastructure, road emergency repair, farmland water conservancy and other fields, the technical bottlenecks faced by hydraulic braking systems have become increasingly prominent. In...Read more -
Ningbo Flag-Up Concludes 2025 Maritime Exhibition Successfully, Grateful for the Presence of New and Old Friends
On December 2, 2025, the multi-day Maritime Exhibition came to a close, and the booth of Ningbo Flag-Up, themed “Driving Technology & Upgrading Solutions”, wrapped up smoothly. During the exhibition, Flag-Up showcased its drive and hoisting equipment featuring modular systems, co...Read more -
Flag-Up Showcases Drive Technology Solutions at the 2025 China International Maritime Exhibition
The 2025 China International Maritime Exhibition opened in Shanghai on December 2nd. Flag-Up, a company specializing in port, ship, and ocean-going equipment, officially showcased its core “drive technology & lifting solutions” at booth W2B3C, running until December 5th. At the e...Read more -
Who drives the efficient operation of high-end equipment? Unveiling the core value of Ningbo Flag-up reducers
In the lifting operations of construction machinery, who ensures the crane’s precise rotation and stable load-bearing capacity? In the operation of equipment on ship decks, who guarantees the efficient transmission and reliable safety of anchor winches and hoists? In the high-intensity oper...Read more -
A Powerful Alliance! Ningbo Flag-up Hydraulic Handle Successfully Test-Installed on Zoomlion Crane in November
Recently, the hydraulic handle independently developed by Ningbo Flag-up Hydraulic Co., Ltd. successfully completed trial-installation testing on a Zoomlion crane. All performance indicators met expectations, marking a crucial step forward in the cooperation between the two parties in the field o...Read more