Need Massagers Buyer and Importer

Hi, I am interested in purchasing 300-500 pcs of this product. What is the minimum order? Is it possible to order samples? What is the minimum order to customize the product and box? Do you accept trade assurance?Thank you in advance and best regards. Brand name:E&SColors:CustomizeAplication:Computer/Mobile phone/mp3 ect.Original place:Shenzhen,ChinaCharacter:4 kinds of massage heads MassagerType:Massage HammerApplication:BodyFunction:wireless remote controlo customize the product and box? Do you accept trade assurance?Thank you in advance and best regards. Brand name:E&SColors:CustomizeAplication:Computer/Mobile phone/mp3 ect.Original place:Shenzhen,ChinaCharacter:4 kinds of massage heads MassagerType:Massage HammerApplication:BodyFunction:wireless remote control Show More