Material: iron-based, stainless steel, copper-based, iron-copper-based Mainly used for office appliances, small household appliances, air-conditioning compressors, power tools and other transmission parts, and office mechanical gears.

Material: iron-based, stainless steel, copper-based, iron-copper-based Mainly used for office appliances, small household appliances, air-conditioning compressors, power tools and other transmission parts, and office mechanical gears.

Material: iron-based, stainless steel, copper-based, iron-copper-based Mainly used for office appliances, small household appliances, air-conditioning compressors, power tools and other transmission parts, and office mechanical gears.

Material: iron-based, stainless steel, copper-based, iron-copper-based Mainly used for office appliances, small household appliances, air-conditioning compressors, power tools and other transmission parts, and office mechanical gears.

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