Tsis ntev los no, peb lub tuam txhab tau ua tiav ib hom tshiab ntawm high-strength seamless steel yeeb nkab. Cov khoom no muaj cov yam ntxwv ntawm lub zog siab, corrosion kuj thiab kub tsis kam, thiab tuaj yeem siv dav hauv petrochemical, hluav taws xob fais fab, aerospa ...
Nyeem ntxiv