HSC® is the solution to all your tubular requirements for the oil and natural gas industry.

HSC® (High Sealed & Coupled) is one of the world's major market leaders in the manufacture and supply of first class quality OCTG seamless Premium tubing and casing for the Oil and Natural Gas Industry.

HSC® was established in 1990 from a group consisting of substantial experience in the OCTG business. Since that time, HSC® has been manufacturing and supplying its customers with the highest quality patented HSC® Premium products in addition to all API approved thread designs complying with the latest edition of API5CT.

HSC® can offer a complete range of sizes, weights and grades, from 2 3/8" tubing through to 24" casing. HSC® can also offer a wide range of special alloys, sour service, stainless steels and specific grades tailored for customer requirements.

HSC® High Sealed & Coupled


By establishing our own global quality system and logistics network, we work together with our customers to satisfy their demands of total product integrity together with reliable deliveries.


  • HSC® (High Sealed & Coupled)
    Chengdu Seamless Steel Pipe Co. Ltd.
    469 Tongji Avenue, Industrial Centralized
    Development Zone, Qingbaijiang District,
    Chengdu, 610300, P.R. China
  • Phone: +86 28 8360 4676
  • Fax: +86 28 8360 4822


  • HSC® (High Sealed & Coupled) FZCO
    Dubai Airport Free Zone
    Building 6E, Block B, 6th Floor, Dubai
  • Phone: +971 4 299 3 299
  • Fax: +971 4 299 3 298