OSN vs TS

Ossen Innovation Co., Ltd.

Ossen Innovation Co., Ltd., together with its subsidiaries, manufactures and sells various plain surface prestressed steel materials, and rare earth coated and zinc coated prestressed steel materials in the People's Republic of China and internationally. The company offers plain surface products, including plain surface prestressed concrete (PC) strands that are used in precast concrete plates on the riding surface of bridges; and unbonded plain surface PC strands for the construction of bridges and buildings. It also provides plain surface PC wires and indented PC wires, which are used in the construction of buildings; helical rib PC wires for the construction of railway ties or sleepers, and buildings; and coated prestressed products comprising zinc coated PC and rare earth coated PC products. The company markets and sells its products under the Ossen brand name. Ossen Innovation Co., Ltd. also exports its products to the United States, Canada, Spain, Japan, South Korea, Taiwan, Australia, South Africa, Saudi Arabia, and internationally. The company was formerly known as Ultra Glory International, Ltd. Ossen Innovation Co., Ltd. was founded in 2010 and is based in Shanghai, the People's Republic of China. Ossen Innovation Co., Ltd. operates as a subsidiary of Pujiang International Group Limited.

Tenaris S.A.

Tenaris S.A., through its subsidiaries, produces and sells seamless and welded steel tubular products; and provides related services for the oil and gas industry, and other industrial applications. The company offers steel casings, tubing products, mechanical and structural pipes, cold-drawn pipes, and premium joints and couplings; coiled tubing products for oil and gas drilling and workovers, and subsea pipelines; and umbilical tubing products; and tubular accessories. It also provides sucker rods, industrial equipment, heat exchangers, and utility conduits for buildings, as well as sells energy and raw materials. Additionally, it offers financial services. The company operates in North America, South America, Europe, the Middle East and Africa, and the Asia Pacific. Tenaris S.A. was incorporated in 2001 and is based in Luxembourg, Luxembourg. Tenaris S.A. is a subsidiary of Techint Holdings S.à r.l.