Cangzhou Great Drill Bits Co. Ltd., founded in 1998, specialized in processing research of steel and diamond materials, …
GREAT has just successfully participated in India's No-dig Technology Exhibition from December 8th to December 9th. At t…
The 18 th China International Petroleum & Petrochemical Technology and Equipment Exhibition (CIPPE)
We GREAT BIT company has attended the 22nd International Trenchless Technology Conference from April 11 to 13(3 days),af…
