3 - United Nations Statistics Division - Classifications Registry
Cement has been a naturally occurring substance for more than 12 million years and was used in rudimentary forms from about 3000 BC by the Egyptians, ... American inventor Thomas Edison advanced rotary kiln technology when he introduced the first long kiln in 1902 in his Edison Portland Cement Works in New Village ...
Address
Tel
Website
Date
|
Product Description
|
Supplier
|
Money
|
Quantity
|
Weight
|
---|
sinotech-energy's website is sinotech-energy.com