Inventory of 15 suppliers of magnesium alloy structural components for laptops

Editor: Yang Daxin Technology

In recent years, due to the increasing demand for mobile portability, slimness has become an important trend in the design of laptops. To achieve lightweight design, in addition to controlling the thickness of internal components, increasing component volume and integration, it is also necessary to choose lightweight and high-strength shell materials such as magnesium alloy and carbon fiber.

Lenovo YOGA Pro 13s 2021 features a white carbon fiber top cover and a magnesium aluminum alloy body, weighing as light as approximately 966g

Among them, magnesium alloy, as the lightest engineering metal material, is known as the "green engineering material of the 21st century" with a density of 1.74-1.85g/cm3, which is 36% lighter than aluminum alloy, 73% lighter than zinc alloy, and only about 1/4 of steel. Therefore, it has high specific strength and specific stiffness, as well as excellent damping, electromagnetic shielding, vibration reduction, cutting processing, polishing and surface treatment properties. It is an ideal material for the current development of lightweight laptops.

Comparison of properties between commonly used magnesium alloys and aluminum alloys in laptops

At present, under the requirement of lightweighting, the overall weight of lightweight laptops is generally below 1000g, and the main thickness of structural components is between 0.5~0.6mm. Traditional die-casting technology can no longer meet the requirements. Therefore, the processing of thin-walled magnesium alloy laptop parts mainly adopts semi-solid injection molding and a small amount of stamping, and the post-processing mainly includes micro arc oxidation and painting.

Due to the many issues with the appearance of magnesium alloy die castings and the timeliness of MAO treatment, most magnesium alloy structural component processing manufacturers have a full process supply chain from molding to surface treatment, resulting in high equipment investment costs. Therefore, currently there are not many companies in the industry that produce magnesium alloy pen electrical structural components.

According to the statistics of the editor, the main suppliers of magnesium alloy structural components for laptops are as follows: (The ranking is not in any particular order. If there are any omissions, please leave a message to supplement)

1. Kecheng Technology

Kecheng Technology started with aluminum alloy die-casting parts and began researching magnesium alloy die-casting technology in 1988. In 1994, it collaborated with major laptop brands in Taiwan to develop magnesium alloy die-casting parts for laptops, and since 1998, it has successively won certification from European and American laptop manufacturers. At present, laptop customers include Apple, Dell, HP, Acer, Lenovo, and others.

Official website: https://www.catcher-group.com/

2. Juteng International

Juteng International Holdings Limited was established in 2000. As one of the world's largest manufacturers of laptop casings, it has a vertically integrated one-stop process that includes mold development, plastic molding, metal stamping, magnesium aluminum molding, CNC machining, carbon fiber molding, surface coating, assembly, and more.

Official website: http://www.juteng.com.hk/

Tu Juteng International Magnesium Aluminum Alloy Shell Chongqing Production Base

3. Victory Precision

Shengli Precision was founded in 2003 and listed on the Shenzhen Stock Exchange in 2010 (stock code: 002426). It is a provider of structural modules for China's 3C industry. According to official website information, its wholly-owned subsidiary Anhui Shengli Precision Manufacturing Technology Co., Ltd. has an annual production capacity of 8 million sets of magnesium alloy parts. Its customers in the field of laptops include Lenovo, Samsung Dell、 Renbao and others.