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.

Fabbricazione Rappresentanze Industriali sri ( F.R.I. srl )

F.R.I. is an Italian industrial valve manufacturer having a scope of production, maintenance and field service that covers a wide range of mechanical, control and safety valves as well as actuators.
Through its existing European and Middle Eastern networks, F.R.I. is able to provide solutions, services and spare parts in a timely manner.


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.


Jiaxing Subsea Engineering Products (SEP) Co., Ltd belongs to the state's high-end equipment manufacturing industry. SEP can tailor-make various types of flexible pipes according to customer special demand, which can be widely used in various industries such as offshore engineering, oil and natural gas, shale gas, chemical, municipal engineering, electricity, and communications. 
SEP can not only provide customers with integrated solutions for the safety of oil and gas pipelines, but also undertake pipeline installation, inspection, evaluation, maintenance and repair.

CORE Linepipe

CORE Linepipe International Inc, is a Canadian manufacturer and assembler of an extremely robust and versatile, corrosion resistant pipeline technology. The system consists of steel pipe, a mechanical joint and factory pre-installed internal liners or coatings. The CORE Linepipe team has over a century of combined experience working in the oil and gas pipeline market.


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.


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.