正海磁材：公司产品多为定制化非标准产品，产品定价采用成本加成的方法

Group 1 - The company, Zhenghai Magnetic Materials, stated that its products are primarily customized non-standard products, with pricing based on a cost-plus method while considering the difficulty of the manufacturing process [2] - The company actively communicates and negotiates with customers to establish a linked pricing mechanism, ensuring stable development [2]