Technology
Preferentially siv cov hmoov tshauv qis thiab qis-sulfur bituminous thee.Advanced sib tsoo, remodeling briquetting tshuab.Nrog lub zog siab dua thiab kev ua haujlwm zoo heev.
Yam ntxwv
Nws siv cov txheej txheem qia ua kom nruj kom qhib tau.Nws muaj ib tug tshwj xeeb nto thiab optimized pore loj.Yog li ntawd nws tuaj yeem nqus cov xim molecules thiab tsw-ua molecules hauv cov tshuaj