Certificate of Approval (ISO 9001)
Certificate of Approval (ISO 14001-Year of 1996)
Certificate of Approval (ISO 14001-Year of 2004)
Utility Patent Registration Sheet (Selective dryer of Spherical metals)
Utility Patent Registration Sheet (Shot Blaster)
Utility Patent Registration Sheet (Functional flooring forming a sprayed metallic layer)
Patent (Lead-Free Sprayed alloy Soldering of a metal film condenser)
Manufacturing method of metal ball using vapor tunic of liquid coolant
Approval Sheet of Korea’s New Technology (Manufacturing method for zinc alloy panel for calots using consecutive casting)
Approval Sheet for INNO-BIZ
Certificate of Technology (The low-cost method of manufacturing Zinc ball for electro-galvanizing)
