PTH & Wave Solder (leaded and lead free) CEMSI has a well trained, experienced assembly staff to manufacture on progressive slide lines or hand soldering, providing both prototype and medium volume production capability on Plated Thru Hole assemblies. Capabilities: Semi-Automated PTH assembly Wave Solder Selective Soldering Major Equipment: AIR VAC PCBRM Selective Solder Vitronics Delta Wave Lead Free Wave Solder Electrovert Astrapak Leaded Wave Solder