Promotion rule:every purchases Hettich hinges(SKU:509631)full 20 pes present 10 pes,full 40 pes present 20 pes,full 60pes present 30 pes,full 80 pes present 40pes,to this analogizes,above the condition does not bestow.

• 促销规则：凡壹次性购买海蒂诗铰链（SKU：509631）满20只送10只，满40只送20只，满60只送30只，满80只送40只，以此类推；不符以上条件均不赠送。