American standard rail:
Specifications: ASCE25, ASCE30, ASCE40, ASCE60, ASCE75, ASCE85,90RA, 115RE, 136RE, 175LBs
Txuj: ASTM A1, AREMA
Khoom siv: 700/900A/1100
Ntev: 6-12m, 12-25m


Vim li cas tus neeg siv khoom yuav xaj 1,200 tons ntawm txoj kev tsheb ciav hlau los ntawm peb lub tuam txhab? Tus naj npawb uas xav tsis thoob. Peb tshuaj xyuas cov ntsia hlau ua ntej ua zaub mov xa tuaj kom ntseeg tau tias cov ntsia hlau tau zoo thaum xa mus rau cov neeg siv khoom. Qhov no kuj yog cov neeg siv khoom qub uas peb tau koom tes nrog rau lub sijhawm ntev. Ntim Thaum packing
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