Now the price for international materials has increased greatly, and the trend is not so optimistic. This is out of control for suppliers and financially they cannot keep too many inventory of led high bay . Therefore, the price and supply of LED high bay in LED Lighting companies are severely threatened. The company can assist suppliers in centralized purchasing of bulk material to generate scale effect. Thus the purchasing cost can be reduced and sufficient supply of material can be guaranteed.The frequently used LED Lights material should be standardized in the company and reduced in category. With the volume of single purchasing material getting higher, purchasing department would be more advantageous in negotiates. If the headquarter of the company can assist in centralized purchasing, then the purchasing price will be further reduced.If the volume of supply is unified internationally, the factories can optimize material arrangement and production to guarantee the supply of lamp s. The quality can also be controlled effectively.