Oliver Sales Company (dba OS-TECH) services both the Printed Circuit Board (PCB) manufacturing industry as well as the Metal Finishing (Plating) industry. OS-TECH has been in business since 1969 & prides itself on excellent customer service & building long-term relationships with every customer. We have been formulating, manufacturing, & distributing PCB specialty chemicals for over 30 years. We also manufacture pre-treatment chemistries for the metal finishing industries as well as distribute full lines of proprietary plating chemicals. We value each and every customer & we are truly a Company with Chemistry!