16years
16 years of experience in aluminum alloy casting
35sky
35-Day Rapid Prototyping
12月
12-Month Warranty Service
48hourly
48-Hour Rapid Response
About
For over 10 years, we have been proud to provide our global customers with a wide range of high-quality aluminum die-cast parts across multiple industries.
About Ningbo Hexin Molding Co., Ltd.
Ningbo Hexin Mould Co., LTD., founded in November 2010, is located in Ningbo Beilun, the hometown of mould in China. It is a professional company engaged in the research and development, application, production and sales of aluminum alloy casting mould. (Aluminum alloy casting company based on auto parts) At present, the company is committed to the expansion and development of low-pressure casting new energy field.
The main business areas of the company are as follows:
1, low voltage mold manufacturing; 2, low voltage product production;
3. Gravity mold manufacturing; 4. Gravity product production;
5, High pressure mold manufacturing; 6, High pressure product production;
7, mold structure analysis; 8, product molding analysis
Diversified development, focusing on the manufacture of aluminum alloy products, has been the company is committed to aluminum alloy and its related industries casting production.
HEXIN PRODUCT SHOW
In the development and production of aluminum casting (pressure casting, gravity casting, low pressure casting) projects, Hershey is recognized as a safe and reliable partner by our customers worldwide. We take pride in the satisfaction of our customers.
Surface Roughness Chart: A Comprehensive Conversion and Process Comparison Guide for Ra, Rz, and RMS
Surface roughness is a symbol found in the lower-right corner of every drawing—Ra 0.8, Ra 3.2, ▽▽▽… But behind the same set of numbers, different machining processes can result in a difference of an order of magnitude. This article clearly explains the definitions of surface roughness parameters, conversion relationships, grade comparison tables, and process ranges all at once. In particular, it explains why the as-cast surface of die-cast parts can be used directly without secondary machining, helping you avoid making guesses during design, quoting, and acceptance.
09-08
2026
Die Casting Process Guide: A Comprehensive Analysis of Principles, Materials, Molds, and Plant Selection
Die casting is currently one of the most efficient processes for mass-producing precision metal parts. From a front-line factory perspective, this article systematically explains the principles of die casting, the two main types (hot-chamber and cold-chamber), how to select material grades, common pitfalls to avoid in mold design, and—most importantly—how to assess a die-casting factory’s technical proficiency. Whether you’re a structural engineer, a procurement specialist, or a project manager, reading this will help you avoid unnecessary detours.
09-04
2026
China's Top 10 Gravity Casting Factories in 2026 (Authoritative List and Factory Selection Guide)
Gravity casting (also known as metal mold casting or permanent mold casting) is one of the most essential forming processes for aluminum alloy components. In 2026, driven by the dual trends of lightweighting and integrated forming in the new energy vehicle sector, the concentration of China’s gravity casting industry continued to rise, with leading foundries accelerating their expansion into overseas markets by leveraging in-house mold manufacturing, comprehensive process capabilities, and one-stop delivery services. This article compiles an authentic list of China’s top ten gravity casting factories and provides practical criteria for evaluating them, helping procurement and engineering teams accurately identify suppliers.
09-01
2026
A Comprehensive Guide to Die-Casting Mold Acceptance Standards: 9 Key Acceptance Criteria, from Mold Materials to Finished Product Inspection
Die-casting molds are the "gateway" to a product’s dimensional accuracy, surface quality, and production efficiency. A single oversight can result in an entire batch being scrapped. Based on actual factory acceptance checklists, this article comprehensively outlines nine major categories of mold acceptance criteria, along with finished product acceptance standards, mold price references, and maintenance schedules—all of which can be printed directly for on-site inspection.
08-26
2026
How to Choose a Casting Process: Low-Pressure Casting vs. Gravity Casting vs. Die Casting vs. Sand Core Casting
Two castings with similar specifications on the drawings can differ by more than double in yield rate, cost, and service life simply because the wrong process was selected. As an engineer with many years of experience in aluminum alloy casting, I initially relied on experience to make decisions. It wasn’t until I broke down the three variables—wall thickness, performance requirements, and batch size—and compared them individually that I was able to base my process selection on a reproducible, logical framework.
Reasons for choosing Ningbo Huxin as a supplier
Founded in 2010, Ningbo Hexin is a technology-driven enterprise with 16 years of expertise in the aluminum alloy casting sector. Through its full-industry-chain presence and continuous innovation, the company has become a preferred partner in the automotive, new energy, and high-end equipment manufacturing sectors. The following analysis examines the company’s core competitiveness from three key dimensions: smart manufacturing capabilities, quality control, and cross-disciplinary technology:
✅ Smart Manufacturing Express Digital full-process production, intelligent die-casting clusters to support rapid customization, delivery cycle speed up beyond the industry standard, yield rate is steadily high.
✅ Rigorous Quality Control We conduct quality inspections throughout the entire process, from the arrival of raw materials to the shipment of finished products. A dual-stage precision inspection process ensures the internal density and dimensional accuracy of the castings, guaranteeing batch consistency.
✅ Cross-Industry Innovation Multi-field material database support, 5G heat dissipation/photovoltaic bracket technology breakthroughs, adapted to new energy, high-end equipment and other cutting-edge needs.
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