1. Cov kav dej rau cov kav dej. Xws li: cov kav dej seamless rau cov dej, cov kav dej, cov kav dej, cov kav dej, cov kav dej, thiab cov kav dej thiab cov kav dej. Agricultural irrigation taps thiab sprinkler kav, thiab lwm yam.
2. Cov kav dej rau cov khoom siv thermal. Xws li cov kav dej kub npau npau thiab cov kav dej superheated rau cov boilers dav dav, cov kav dej superheated, cov kav dej pa taws loj, cov kav dej me me, cov kav dej arched cib, thiab cov kav dej kub thiab kub siab boiler rau locomotive boilers.
3. Cov kav dej rau kev lag luam machinery. Xws li cov kav dej aviation (cov kav dej puag ncig, cov kav dej oval, cov kav dej tiaj tus), lub tsheb ib nrab qag kav, qag kav, tsheb laij teb cov kav dej, tsheb laij teb cov kav dej txias, cov kav dej square thiab cov kav dej rau kev ua liaj ua teb, cov kav dej transformer, thiab cov kav dej. .
4. Cov kav dej rau roj av geological drilling. Xws li: roj drilling kav, roj laum kav (square laum kav thiab hexagonal laum kav), laum braces, roj kav, roj casings thiab ntau yam yeeb nkab pob qij txha, geological drilling kav (tub ntxhais kav, casings, active laum kav, xyaum braces, clamps. thiab pin pob qij txha, thiab lwm yam).
5. Cov kav dej rau kev lag luam tshuaj. Xws li: petroleum cracking pipes, heat exchangers and pipes for chemical equipment, stainless acid-resistant pipes, high-pressure pipes for fertilizer, and pipes for transports chemical media, etc.
6. Cov kav dej rau lwm lub tuam tsev. Xws li: cov kav dej rau cov thawv (cov kav dej rau lub tog raj kheej siab thiab cov kav dej dav dav), cov kav dej rau cov cuab yeej thiab cov khoom siv, cov kav dej rau cov rooj zaum saib, cov kav dej rau cov koob txhaj tshuaj thiab cov khoom siv kho mob, thiab lwm yam.
Seamless steel yeeb nkab
