Sign contract with carbide supplier

2018-04-18
Liaocheng Uniondrill Rock Drilling Tools Co.,Ltd.sell more and more button bits year by year,the current carbide supplier can not provide enough goods to us,Uniondrill sign a new ...

The holiday notice

The Chinese new year is coming,we will have a holiday from 14th.,Feb.to 22th.,Feb.during this time,the inquiry from the customers will not be answered.and the production will be s ...