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：
Development is the absolute principle.
Development is the absolute principle - Jinshi 2017 business income increased by 10% compared to the same period last year, and once again achieved contrarian growth.