LED Lighting companies shall make a detailed classification for led high bay materials and make strategic purchasing plans. In order to reduce purchasing risks, companies can find more new suppliers for key materials such as aluminum substrate. Through competition strategy among suppliers, suppliers can manage them mainly though competition and thus reduce purchasing cost. For general small volume and low price materials such as insulated sleeves, since the purchase for them is less attractive to suppliers, the purchasing quantity can be made larger to attract suppliers.Generally speaking, most materials needed by LED Lights companies are in the category of key material. They are of large quantity and great importance in production. However since they are single-sourced and even regional, manufacturer of lamp s shall primarily reduce risks by keep finding more suppliers to guarantee advantages in purchasing.