When choosing an aluminum casting manufacturer, you need to consider the following aspects:

1. product quality: choosing an aluminum manufacturer should give priority to product quality, which can be assessed by checking the samples, visiting the workshop, and understanding the manufacturer's quality management system.

2. Production capacity: the production capacity of the aluminum casting manufacturer should meet your needs, including production equipment, production process, production cycle and so on.

3. Production cost: when choosing aluminum castings manufacturers, you need to compare the offer and production cost of each manufacturer to get the most reasonable price.

4. Service attitude: the service attitude of the manufacturer is also an important factor in the choice, whether the manufacturer's service quality is good in communication, communication, after-sales service, etc. will also affect your choice.

5. Manufacturer's reputation: choosing a manufacturer also requires consideration of the manufacturer's credibility, which can be verified by searching online, consulting with customers, and checking accreditation certificates.

Taking all these aspects into consideration, it is very important to choose an aluminum casting manufacturer with experience, integrity, reliable quality, reasonable price and good service.