This spare parts (gear wheel) suitable for various types of machinery, easy assembly, durable, strong, the number of adequate and reasonable price.

此配件(齿轮)适合于各种类型机械，便于装配，耐用坚固，数量充足，价格合理。

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The purchase and supply of spare parts and assembly in Auto is more sophisticated systems in the logistics.

汽车零部件采购与供应是汽车工业中较为复杂的物流系统。

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Part of the mobile phone shop has a small fault reported that the replacement of spare parts, assembly accessories, such as the original parts for the problem, the customer is often fooled;

部分手机店有小故障报大，调换零配件，组装配件当原装配件换等问题，客户经常被忽悠；

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