Producer
Taiyuan Iron & Steel (TISCO)
Stainless-steel maker; in 2017 first produced domestic Chinese pen-tip steel.
2
Inputs supplied
1
Goods downstream
0
Facilities
0
Stories
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2 inputs Taiyuan Iron & Steel (TISCO) supplies
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What else they do
Business segments
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Stainless steel (incl. ultra-thin precision strip)
Carbon & specialty steel
Intelligence
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Did you know2020
TISCO — the company that finally cracked China's pen-tip ball steel in 2017 — is the world's largest stainless-steel exporter and makes a far more strategic product from the same metallurgical program: 'hand-tear steel' (手撕钢), ultra-thin stainless foil down to 0.015mm (about a quarter the thickness of an A4 sheet; a 2020 world record), used as the bendable substrate in foldable-smartphone screens rated to fold ~200,000 times. The same R&D culture that conquered a sub-cent pen tip now produces the flexing foil inside flagship foldable phones — a leap from the trivial to a frontier-electronics material. [verify: SCMP confirms TISCO 0.015mm hand-tear steel for foldable screens, broke foreign monopoly]
Asian Metal ↗Substitution2017
TISCO's 2017 ballpoint pen-nib steel became a national symbol of China's drive to climb from low-end to high-end manufacturing. Premier Li Keqiang had publicly lamented that China — maker of ~80% of the world's pens — still imported the special free-cutting steel for the tiny pen-tip ball from Japan and Germany; TISCO's five-year R&D effort to make it domestically was held up by Chinese state media as proof the country could conquer the 'small but hard' precision inputs behind the Made in China 2025 agenda. A two-cent commodity part became a litmus test for industrial self-sufficiency. (Note: this is the same Taiyuan Iron & Steel covered under the 'tisco-taiyuan' node, where the foldable-phone hand-torn-foil and specialty-steel chokepoint claims sit.) [verify: TISCO 2017 pen-tip steel, Li Keqiang, import dependency confirmed]
Caixin Global ↗Concentration
Specialty steel is a process-knowledge chokepoint, not just a capacity one. TISCO's hand-torn-steel breakthrough took 700+ failed tests, the screening of 40,000+ binding-roller arrangements, and the conquest of 175 equipment and 452 process problems over two-plus years — the same kind of guarded know-how behind pen-tip ball steel and nuclear/aerospace grades. Volume steelmaking is commoditized, but the thinnest and most precise grades come from a short list of national champions, making them a quiet strategic dependency for electronics and precision manufacturing. [verify: 700+ tests, 175/452 problems, 2+yrs, nuclear/aero confirmed by SCMP/ChinaDaily; binding-roller ~20k not 40k]
South China Morning Post ↗