Guangzhou KSL Electronic Technology Co., Ltd is a trading company with R&D department,we focus on mobile phone repair microscope and tools& Equipment for more than 8 years, So we are very familar with the supply chain. even more we have establish strategic partnership with some of our cooperated factory .the founder have more than 10 years of repairing phones ,which accumulate rich experiences in designing our products with our factory. our mission is to make repairs simple and sense. our mainly brand is kailiwei . we also accept OEM/ODM orders, We have many Golden Supplier customer in Alibaba.