Heilongjiang Jianlong Successfully Develops Casing Resistant to Hydrogen Sulfide Corrosion and Collapse

Recently, Heilongjiang Jianlong independently developed a 110TS (Φ177.8mm×12.65mm) high hydrogen sulfide corrosion resistance and crush resistance casing, which has completed the entire process trial production.

22/10/2026

In the first three quarters, China's crude steel output reached 724.77 million tonnes, down 2.9% year-on-year.

Data from the National Bureau of Statistics show that China’s crude steel output in September 2026 stood at 73.59 million tonnes, a slight year-on-year increase of 0.1%; for the January–September period, crude steel output reached 724.77 million tonnes, a year-on-year decline of 2.9%.

21/10/2026

Masteel Holly Industrial Co., Ltd. is Actively Building a "Second Growth Curve"

Inside the factory of a new materials company located in Bowang District, Ma'anshan City, rolls of gleaming high-performance aluminum coils were about to be shipped to all parts of the country.

20/10/2026

Heilongjiang Jianlong Successfully Develops Casing Resistant to Hydrogen Sulfide Corrosion and Collapse

Recently, Heilongjiang Jianlong independently developed a 110TS (Φ177.8mm×12.65mm) high hydrogen sulfide corrosion resistance and crush resistance casing, which has completed the entire process trial production.

22/10/2026

In the first three quarters, China's crude steel output reached 724.77 million tonnes, down 2.9% year-on-year.

Data from the National Bureau of Statistics show that China’s crude steel output in September 2026 stood at 73.59 million tonnes, a slight year-on-year increase of 0.1%; for the January–September period, crude steel output reached 724.77 million tonnes, a year-on-year decline of 2.9%.

21/10/2026

Masteel Holly Industrial Co., Ltd. is Actively Building a "Second Growth Curve"

Inside the factory of a new materials company located in Bowang District, Ma'anshan City, rolls of gleaming high-performance aluminum coils were about to be shipped to all parts of the country.

20/10/2026