堕落的圣骑士在线观看完整版未删减|尖峰时刻1完整版电影在线观看|日韩中文字幕成人免费视频|日韩中文字幕组,性xxxhd,先锋影音欧美,91日本在线播放

Main Products
Products Grade: DT4
Specifications: φ5.5~40mm
Applied Standard:  Mutual agreement with Client
Characteristics: The prouduct of DT4 is mainly for the manufacture electromagnetic part such as electrical equipment、telecommunication、instruments、industry of national defence and electromagnetic core.
Applications: Electromagnetic iron
Use of Products: DT4 is belong to electromagnetic ingots with high aluminium content.The product of DT4 feature stable chemical composition,low tramp elements, high purity,good surface quality,high dimensional accuracy,good electromagnetism.The coercive force of the product is low.