Products：Rods&Casing Core Barrels Diamond Products
If you have any questions about our products,
please contact us!
Add:Hancheng industrial park, Tangshan city,
Hebei province, China
Marketing management department：
Gold and stone go against the trend.
Operating revenue in 2016 was 10.8% higher than that in the previous year, as we moved up to a modern corporate governance system.