（1）Steel selection: Huaxin has the ability to test and study the electromagnetic characteristics and blanking performance of raw silicon steel, and can give professional suggestions on material selection according to customer requirements.

(2) Laminating method: In the early stage of customer's product design, Huaxin can provide suggestions for iron core lamination, including the position, size, quantity and binding force of riveting points (glue points), as well as parameters such as width, depth and number of welded iron cores according to the requirements of technical specifications, so as to provide customers with the most cost-effective solution.