GUANGZHOU LIPEI TECHNOLOGY CO. LTD. Guangzhou Lipei Technology Co., Ltd , factory is one of biggest computer power supply /computer case factory in china. if you will need order some atx power supply (200w-400w) or computer case please contact with me. OEM/ODM are accepted and order 10,000-100,000 pcs can be done in 15 days. 200w-400w price from usd3.0-usd 11/pcs. PC case price from