Solid sulphur refers to the elemental form of sulphur that exists in a solid state, typically available as granules, prills, powder, or lumps. It is widely used as a raw material in producing sulphuric acid, fertilizers, and several chemical compounds. Solid sulphur is mainly recovered from petroleum refining and natural gas processing through processes such as the Claus process and the Frasch...
จองคิวบริการ
NR tours
Youplay
NR shop
NR jobs
facebook th
thai 
English
French
Spanish
Portuguese
Italiano
Romaian
Portuguese (Brazil)
china