If you are looking for customized bulk hasl fr-4 multiple layer pcb made in Shenzhen,Website:http://www.yee-pcb.com, China, or you want to check the quotation with one of the leading hasl fr-4 multiple layer pcb manufacturers, Zhongyi Technology is always at your service.HASL FR-4 1.6mm Multiple Layer Fast lead time.ship in 48hours.If you need other materials , we will avaliable it accroding your requirement.We offers a varity of Layer and process if you need , such as :Leadfree HASL Multiple Layer PCBENIG Single side PCB...etc.our advantage:Focus on sample producing and be able to produce sample of 1 to 12 layers, small quantities of 1 to 6 layers.