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Key Features

One-stop Shop Services

Now, many customers want a company to provide completed finished custom parts. So they do not need to contact other suppliers.

In order to meet our customer's one-stop shopping needs for custom finished parts, besides our own workshop, throughout so many years, we have more than 100 qualified suppliers to provide various services.

We have the ability to produce complex custom finished parts. For example, underneath part is a critical component of high-voltage switchgear. It requires multiple processes in the foundry, machine shop, heat treatment plant, and surface treatment plant to complete.

The following figure briefly describes the process flow of this part, which also shows that we can provide customers with first-class one-stop service.


Casting service

Our boss and production manager used to be a senior engineer at a leading foundry in China. Since the company was founded, we have been dealed with various casting parts.

Now we have many qualified casting suppliers, some of which specialize in large castings, while others focus on small, thin-wall thickness parts. We can choose the most suitable technology and foundry to produce your parts.

Our engineers are familiar with the casting process. Unlike many other company, once an order is received, we are deeply involved in every process.


Forging service

We have a number of forging suppliers, they are all ISO 9001 certified, many of which have been working with us for more than 10 years.

They produce high-quality forgings, and some forging companies provide forged parts directly to Fortune 500 companies.

They can provide various forging parts like:

Hot forgings

Cold forgings

Closed die forgings

Aluminum Forgings

Steels Forgings


Heat treatment service

We work with one of the city's best heat treatment plants, which have advanced heat treatment equipment and testing tools. 


Surface treatment service

We have a number of surface treatment suppliers that offer various surface treatment services such as plating, polishing, anodizing, painting, and more.

Cost reduction advice for custom parts

With years of experience in processing custom parts, our engineers know how to choose the most suitable process for your product. For example, sometimes the forging process saves production time and cost compared to the casting process.

Our engineers will work closely with your team to optimize the part design for more efficient production and cost savings.

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Qingdao Runlin Metals Co.,Ltd.

Contact: Johnny Qi

Phone: +86-13789872616

Skype: Johnny-517

Wechat: +8613789872616



Add: Zhouji industrial park, Jimo, Qingdao, China