... profile1, commercial DouJiangJi as a professional pulping equipment, with safe and reliable, high efficiency and energy saving ... Nickel thickness 1um to 5um1.PCB designing/prototype/fabrication and PCBA service.2.Multilayer PCB&PCBA.3.Possess UL, ... programming, product exterior industrial designing, prototype developing, circuit board manufacturing, SMT chip enhancing, DIP welding enhancing, usability ...