Certification of Root Companies in the Heat Treatment Industry

Patent Registration for Differential Hardening Heat Treatment Manufacturing Process (Korea, USA)

Installation of one Car Type (10 Ton) Heat Treatment Furnace

Tempering and stress relieving heat treatment business

Purchase of the site for Factory 2 at 22, Dasansandan 3-gil, Dasan-myeon, Goryeong-gun, Gyeongbuk

ISO 9001:2015 / KS Q ISO 9001:2015 Certification

Installation of one Car Type (30 Ton) Heat Treatment Furnace

Acquired American Bureau of Shipping (ABS) heat treatment manufacturing process certification

Development of Heat Treatment Methods for Carbon Steel / Alloy Steel / Stainless Steel / Special Alloys

ISO 9001:2008 / KS Q ISO 9001:2008 Certification

Introduction of one Car Type (20 Ton) heat treatment furnace

Main production of Quenching & Tempering forged oil drilling pipe parts

Introduction of 2 PIT heat treatment furnaces (10 Ton, 5 Ton)

Establishment of One Metal Heat Treatment