Beijing Haina lean Electronics Co.,Ltd is one of the most professional PCB manufacture in Beijing,China. With more then 10 years of development, Haina Lean Electronics turns into a first class manufacture of HDI PCB ,with production capability 4000 square meters. Our factory is providing high quality bare PCB, PCB layout design service and PCB assembly service,including components sourcing, function test,conformal coating and complete assembly for clients all.