Knowledge

29/12/2025

Quality Documentation: Standardized Quality Assurance Procedure

In intensive industrial production, particularly within the steel structure and high-tech fabrication sectors, quality documentation transcends a mere compilation of requisite documents for procedural completion. At VHE, it constitutes a comprehensive system for recording, verifying, and ensuring compliance with...

22/12/2025

Bypass Stack: A Secure Operational Solution for Power Plants

The bypass stack functions as a “safety valve,” ensuring the continuous operation of the gas turbine even during maintenance of the heat recovery system (HRSG). By adeptly redirecting the exhaust gas flow, this component ensures high availability of the...

15/12/2025

6 Steps of Purchasing Process: Supply Chain Efficiency

Purchasing process refers to the organization of all activities associated with sourcing, assessing, choosing suppliers, placing orders, and managing input quality. In contrast to purchasing methods that rely on experience or fragmented approaches, standardization guarantees that all decisions are...

12/12/2025

Why is Impact Test Essential for Steel?

Impact test, especially the Charpy V-notch test, is a commonly employed technique for assessing a crucial mechanical property of materials: their capacity to absorb energy during impact, referred to as impact toughness. In the domains of mechanical engineering, steel...

04/12/2025

Riser in Flare System: Definition, Purpose, and Key Design Considerations

For refineries, gas plants, chemical facilities, and heavy industrial processing sites, the riser in a flare system is one of the most critical components for ensuring safety and environmental protection. It is an essential element that channels waste gases...

24/11/2025

Air Inlet Duct for Gas Turbines and The Function of VHE Assembly Phase

In the Gas Turbine system, the Air Inlet Duct serves as a crucial component that directs a consistent intake air flow into the compression chamber. Even minor deviations in its structure or installation position can significantly impact pressure, performance,...

20/11/2025

Safety – The Core Value in Industrial Engineering Supply Chain

In the field of fabrication, manufacturing, and installation of heavy industrial mechanical systems—where every component weighs tons, and every pipeline spans hundreds of meters—”safety” is more than just a slogan. Safety is positioned at the center of our entire supply...

17/11/2025

Welding Inspection: 3 Common Methods and a High-Quality QA/QC Process

In industrial equipment manufacturing, welds play a critical role in connecting components and ensuring the overall strength and durability of a structure. A poor-quality weld can lead to cracking, deformation, leakage, safety hazards, and reduced equipment lifespan. This is...

12/11/2025

HRSG – Heat Recovery Steam Generator: An Energy-Saving Solution

In the context of rising fuel costs and the global imperative to reduce carbon emissions, industrial enterprises are shifting toward more energy-efficient solutions. One of the leading technologies today is the HRSG (Heat Recovery Steam Generator) — a boiler...

10/11/2025

Cash Flow: Maximizes Efficiency and Financial Sustainability

Cash flow is the foundation upon which every business survives and grows. Profit on paper alone is not enough — companies need real cash to pay employees, suppliers, taxes, and daily operations. A steady cash flow reflects a company’s...

13/10/2025

Liquid Seal Drum – A Safety Solution for Flare Stack

In Flare Stack systems, one of the most critical components ensuring operational safety and efficiency is the Liquid Seal Drum. This specialized device is designed with a specific level of liquid (typically water or a water–glycol mixture) maintained at...

10/10/2025

Hydro Test for Flare Stack | Ensuring Safety & Integrity

Flare stacks are specialized systems operating in harsh, continuous industrial environments. Before being put into service, they must undergo strict inspections to verify tightness and pressure resistance. Among various testing methods, the Hydro Test (Hydrostatic Test) plays a critical...

21/09/2025

Inventory Management with Pull System at VHE: An Optimal Solution

Meeting customer needs with optimized costs has always been the top priority for industrial enterprises. A lean inventory management system based on the pull system is the key for Viet Han Engineering (VHE) to maintain product quality, ensure delivery...

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