News

The Current Situation and Development of China's Cast Iron Valve Products

Jul 28, 2025

1. Historical Development and Production Growth Cast iron valves have a history of nearly 100 years in China, but significant advancements have only been achieved in the past decade. Statistical data indicates that domestic production of cast iron va...

High-Performance Investment Castings: Optimizing Oil & Gas Operations
May 04, 2025
The Evolution of a Critical Manufacturing Process Investment casting (lost-wax casting) represents the pinnacle of precision metal forming, with archaeological evidence tracing its origins to 3000 BC. Today, this ancient art has been transformed into...
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Aluminum Alloy Intake Manifold Production by Gravity Casting
Apr 05, 2025
The aluminum alloy intake manifold is a critical engine component, widely manufactured using gravity casting due to its cost-effectiveness and reliability. Common gravity casting methods include vertical pouring, flat pouring, and tilt pouring. Based...
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China's FBO III and BM-ⅢT Automated Molding Production Lines
Mar 15, 2025
Sand Casting Molding Processes: A Comparative Analysis of Manual vs. Automated Production 1. Overview of Sand Casting Molding Methods The sand casting industry employs three primary molding processes, each with distinct characteristics and applicatio...
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Resin Sand Casting Production Process in Dandong Pengxin
Mar 08, 2025
What is Resin Sand Casting? Resin sand casting is an advanced metal casting process that involves mixing high-quality raw sand with specialized resin binders (such as furan, phenolic, or alkaline phenolic resin) to form a strong, moldable sand mixtur...
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Production and Delivery Delays of Exhaust Manifolds in China
Mar 01, 2025
Why Exhaust Manifold Production Takes Longer in China – Insights from Dandong Pengxin Machinery With over 12 years of experience in casting gray iron, ductile iron, vermicular graphite iron, and aluminum, our Dandong Pengxin Machinery specializ...
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Global Top Metal Casting Companies How to Control Quality
Feb 13, 2025
At Dandong Pengxin Machinery, our commitment to quality starts from the initial planning and product development stages.We assist customers in conducting all necessary laboratory tests and inspections to ensure superior outcomes.Additionally, our fac...
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