Our Principals


Weltech Co.,Ltd. started business in 1996, having the faith to develop the Water supply and drainage industry that is largely concerned with people's living.
Now Weltech plays a key role in manufacturing steel pipes, Fitting and Fabricated Spools for over 20 years with the domestic development of SOC industry.


SeAH Changwon Integrated Special Steel, formerly POSCO Specialty Steel, joined SeAH Group in 2015.  SeAh CSS has been manufacturing stainless steel, tool steel, carbon alloy steel with a production capacity of 1.2 million tons per year. SeAh CSS has been producing high-tech industrial materials for various applications, including automotives, machinery, aviation, nuclear energy, shipbuilding, and electronics. Furthermore, SeAh CSS produces forgings such as shipbuilding materials and die steels with forging machines as well as round bar steels and steel pipe products.


In business since 1978, Piping Technology & Products, Inc. (PT&P) and its wholly owned subsidiaries (U.S. Bellows, Inc., Sweco Fab, Inc., Pipe Shields, Inc., and Anchor Darling, Ent.) offer a wide range of engineered products and services for various industries and applications.
From engineered pipe supports, expansion joints, pig launchers & receivers and pipe hangers to various fabrication, engineering and technical services, PT&P has decades of experience providing products and services for all your engineering and construction needs.


Industrial Technology Services Co., Ltd is a Korean company outsourced by Samsung General Chemical in 2002. ITS was established to execute revamping, operation & maintenance, and turn around projects for industries of refinery, petrochemical and power plants. ITS became one of the leading companies for plant revamping, operations and maintenance and shutdown/turn around services as well as EPC works around the world. 


A South Korean Valve manufacturer leading the market since 1985 with Control valves, Ball Valves, ESD valves and Actuators. Daeju production range covers all valves and actuators required in the Oil & Gas, Power Generation and Petrochemical industries. Beside the API and ANSI standards, Daeju is one of the few manufacturers possessing the SIL2 and SIL3 Certification for Actuators and ESD valves products.


Sungwon Co.,Ltd., began business in 1973, is a Korea-based company that is primarily involved in the production and supply of stainless steel pipes used in different industrial applications.
The company's products are used in oil & gas, petrochemical, power plants and water desalination sectors, as well as in other industrial structural applications and shipbuilding.


Since its establishment in 1983, Seonghwa Industrial Co., Ltd.has focused on engineering and manufactuering of pipe hangers and supports, prefabricating piping and hot finished seamless pipes, aiming techinically the most advanced and speciailized in the field of power plants, petrochemical plants, offshore plants, LNG terminal construction, and other industrial plants through the world over the past 30 years.


Gastron CO., Ltd. have acquired various domestic and overseas certifications including SIL2, HART, ATEX, IECEx, NEPSI, UL, etc. as well as 10 cases of patents related to gas detectors, through which they have established themselves firmly as an enterprise leading domestic gas detector industry by obtaining trust.