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Qingdao Tiehan Wood Preservation Co., Ltd

Qingdao Tiehan Wood Preservation Co., Ltd. is a professional anti-corrosion factory that combines supply and sales. Our factory is situated in Jiaozhou, Qingdao, with working areas dedicated to raw material production and finished product manufacturing, encompassing a total area of 50000 square metres. We source raw materials from the United States, Canada, and Russia, and our annual wood preservation output can reach up to 200000 cubic metres. The company has received the accolade of being a High Quality Raw Material Supplier Enterprise from the Ministry of Railways Anti-corrosion Factory, with a global outreach for selling its products. Primarily involved in the sleeper industry chain, it offers different varieties of anti-corrosion sleepers, both impregnated and non-impregnated.

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Why are mine sleepers shorter than trunk sleepers? Specification changed standard unchanged

2026
09-19

  • by Tiehan
  • 0 Comments

Why are mine sleepers shorter than trunk sleepers? Specification chang···

People who often ride on trains are impressed by the sleeper···...

Why do anti-corrosive sleepers need to be immersed in hot oil instead of cold oil

2026
09-14

  • by Tiehan
  • 16 Comments

Why do anti-corrosive sleepers need to be immersed in hot oil instead ···

Take a bottle of edible oil and put it in the refrigerator f···...

The process of anti-corrosion sleepers shall not be disordered, dry first and then soak

2026
09-11

  • by Tiehan
  • 18 Comments

The process of anti-corrosion sleepers shall not be disordered, dry fi···

An oil-immersed sleeper was lying on the line, black in colo···...