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About us

Who we are

we are a professional aluminum die casting manufacturer

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Gll Casting is one of the leading aluminum casting manufacturer in China

With one-stop services of die casting, gravity casting, sand casting, investment casting, CNC machining, surface treatment and assembly.We are a professional manufacturer, our foundry is located in Jimo City, near to Qingdao Port of China.

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Gll Casting specialize in aluminum die casting parts for a variety of industries

We strive for uncompromising quality and take pride in our expert craftsmen, most with over 30 years experience in this line.We work closely with our customers with passion and expertise, from the initial concept to final series production.

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Gll Casting is equipped with the latest technology

Icluding advanced casting machines, automated production lines, and cutting-edge quality control systems. Our facilities are designed to accommodate a wide range of casting sizes and types, and we are equipped to handle both small and large-scale production runs.

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Our foundry’s main vision is to appear as an extension of our customers' development and manufacturing groups

To understand our customers’ businesses and develop the necessary capability is to service their needs as they relate to the commodities we support.

30 years experience

Our Team

We work closely with our customers with passion and expertise, from the initial concept to final series production.

expert team

Extensive experience in the field of die casting, and we are dedicated to providing our customers with the highest level of service and support.

Engineer and Designer Team

3D model building, design optimization, mold designing, machining tooling and inspection fixture designing.

About us

Our factory

Gll Casting is one of the leading aluminum casting manufacturer in China with one-stop services of die casting

Our factory

Our factory

Our factory

Our factory


“I am extremely satisfied with the quality of the aluminum castings I received from Gll. The precision and attention to detail in each piece exceeded my expectations. The team at Gll was also very responsive and helpful throughout the entire process.”


Moshe Lemke



 “I highly recommend Gll for any aluminum casting needs. Their expertise and experience in the industry is evident in the exceptional quality of their work. Their customer service is also exceptional, making the entire process seamless and stress-free.”


Saige Kuvalis



” We have been working with Gll Casting Company for several years and they have always been very professional and reliable. Their staff is very welcoming and patient, always willing to answer questions and provide assistance. We are very grateful for their services and hope to have a long-term cooperation.”


Destin Lebsack


Quality Control

quality control

At our foundry, quality is our top priority. We have strict quality control processes in place to ensure that every casting we produce meets our high standards for accuracy, strength, and durability. We utilize advanced testing equipment and techniques to ensure that our products meet or exceed industry standards.

Quality Control

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About us


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The advantage of Gll Casting is the comprehensive capability in aluminum casting, finishing service and test service .Our casting service includes most popular process of aluminum casting, sand casting, gravity die casting, high pressure die casting and investment casting, these casting process enable us satisfying customers various demands.

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Gll Casting offers value-added services such as engineering (DFM) and tool building, surface treatment, anodizing, machining, brushing, galvanized, laser engraving, silk printing, polishing and Powder coating.

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As our foundry equipment, technology and processes continue to grow, we foresee endless possibilities in the future of aluminum casting solutions. We can also machine prototypes out of Aluminum block, soft prototype tooling and a variety of other solutions. At every stage of the development process, we capitalize on our state-of-the art equipment to bring you more value.