... adopt OEM Welcome to XinDaxing Electric Technology Co., Ltd HASL lead free printed circuit board/ pcbWe can prvide a package of ... / PCBA Technic 1).Professional surface mounting and through hole soldering technology;2).Various sizes,like 1206,0805,0603 components SMT ... ),FCT(Functional Circuit Test) technology;4).Nitrogen gas reflow soldering technology for SMT; 5).High standard SMT&Solder Assembly ...