Sieg-Huao, focuses on die casting and investment casting, provides metal works solution, high pressure die casting, precise machining and metal fabrication. 
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Die casting and Investment casting
China Die & Investment casting manufacturer
China metal works, casting process supplier -SIEG-HUAO

Welcome To SIEG-HUAO

Sieg-Huao, is a professional China metal works, die casting and investment casting manufacturer for the diversified industry, focuses on various forms of die casting and investment casting. Main site locating in Nanjing of China, we start our metal works business since 2005, merge and sharehold serveral companies to enlarge and complete our manufacturing process to give our worldwide customers the comprehensive solution. Sieg-Huao (Anhui), our 100% owned high pressure die casting originates from the tooling and casting workshop of leading motor producer built in 1954, we also provide investment casting, advanced machining, metal fabrication, etc.. 

Metal Works Supplier For The Diversified Industry

Research & Development
Except for our fluent manufacturing experience and skill, we also co-operate with 3D printing machine producer who are invested by our associated company Xinyu Precision Manufacture to make a fast prototype.

Awards And Membership
Top ten of foundry (2013) awarded by Jiangsu Province Foundry Associate;
High Technology Enterprise granted by Jiangsu Prevince Science and Technolgy Dept;
Vice-leader company of China Investment Casting Foundry Associate;
The Chief company of Nanjing High Pressure Die Casting Foundry Associate.
Design Team

Excellent Professional Team

We own one diversified background team, including senior design engineers, project management engineers, commissioning engineers, quality control engineers, etc..  This team can provide professional die casting and investment casting service for customer with rich experience. Our sales team always response to our customer immediately and passionately. Based on our mutual effort, customer can obtain potimal experience from Sieg-Huao.
Company philosophy & Action guidelines

Company Philosophy & Action Guidelines

A professional China die casting and investment casting manufacturer, we take the folloeing points as the criterion, Self-disipline, Innovation, Competitive, Win-Win Legal Compliance, Integrity and Fairness, Pursuing of Excelsior and Excellence, Reducing Waste and Improving Efficiency, Safety Production and Conservation. Just for you to provide the best China die casting and investment casting products, such as the aluminum die casting and zinc die casting.
Customer-oriented Company

Customer-oriented Company

Professional China metal parts works, die casting and investment casting manufacturer, providing one stop solutions for your demands and supplying seamless service, including die casting and investment casting products, which are justified by simultaneous design, cost saving, reliable quality control and on-time delivery. Just to tell us your demands about metal parts.

Hot Products

Here are some display of our die casting & investment casting products.
The Only provide you with the best China die casting and investment casting service.

Manufacturing Facility

Well equipped, Strict production, Reliable quality. Provide you with the best China die casting and investment casting service.
High Pressure Die Casting Process
High-Pressure Die Casting Facility
Starting business since 1950sTooling design, building and casting, comprehensive and combination capacity.Flexible production ability no matter large quantity or small quantity. Fluent experience from the long history and different industry's application. ISO 9001 certificated.
Advanced Machining Facility
Advanced Machining Facility
Starting business since 2006.
From the beginning designed for Auto industry
Audited and approved by the well-known OEM regularly.Continuous improvement and developing at the machining technologyISO 16949 certified.
Quality Control Facility Of Casting process
Quality Control Facility
Experienced and well-trained team.
Familiar with the standards from the different industry organization. Complete series of inspection equipments and devices. Quality assurance system according to ISO 16949 and 9001.
Investment Casting Supplier
Investment Casting
Starting business since 1996. Production capacity 260 tons per month. Fluent experience from the production of 11000 kinds of casting. New technology installing at vacuum casting method. Material range: carbon steel, alloy steel, tool steel, stainless steel, precipitation hardening stainless steel, duplex stainless steel, chromium steel,nickel base alloy, ductile iron. ISO 16949 certified. ISO 14000.
China Metal Fabrication
Metal Fabrication 
Starting business since 2014Full range of production equipments and devicesOne stop solution for your metal frameworkISO 90001 certified

News Center

You can learn about our dynamics, and things you don't know about die casting, investment casting, machining, etc..
  • [Die Casting] How to Choose the Gate Location?
    The gate position refers to the entrance of metal liquid into the casting cavity, commonly known as the feeding position or the inlet position.As far as possible, the spout position makes the flow of metal liquid short, low resistance, small pressure loss, filling time moderate, so as to ensure the
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  • [Die Casting] What is Die Retention Time And What Effects Does It Have?
    Mold retention time: the time from the end of the hold-down stage to the release of the die casting. The purpose of this time is to ensure that the casting is fully solidified, cooled and has a certain strength in the die, so that the die casting will not be deformed or cracked during the release an
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  • [Die Casting] What Is The Shrinkage Rate Of Die Casting
    Shrinkage rate of die casting refers to the relative change rate of die forming size and actual size of die casting at room temperatureThe shrinkage rate of die casting includes liquid volume shrinkage of metal liquid, solidification phase transformation shrinkage and solid volume shrinkageThe more
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  • [Die Casting] What Is Holding Time?What Are The Main Factors That Affect It?
    After the metal liquid fills the cavity, the time required under the action of pressurization and specific pressure until the internal gate is completely set is called holding time.The effect of holding time is to crystallize the solidifying liquid metal under pressure, thus obtaining a die casting
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Links: Custom Brass Parts Lost Wax Casting
Fax: +86-25-84664044
E-mail: admin@mysieg.cn
Add: Room 201-202, the 4th Building, No.302 Central Road, Creative Central Industrial Park, Xuan Wu District, Nanjing City,Jiangsu Province, China.
Phone1: +86-25-84664117
Phone2: +86-13505167212
China die casting and investment casting supplier-SIEG-HUAO

About Us

Main Site locating in Nanjing of China.  We start our business since 2005, merge and sharehold serveral companies to enlarge and complete our manufacturing process to give our worldwide customers the comprehensive solution. 

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