High Quality API Drilling Tool Fishing Die Collar
High Quality API Drilling Tool Fishing Die Collar
Noted:
NNCTM thread is the know-how of ZJSB and its thread could exchange with APIN thread reduces stress concentration of thread tooth base more obviously than NC thread so as to make distribution of ridge loaded on each circle evenly.NNC could effectively improve sub fatigue life and reduce fatigue failure of drilling tool.
1. Why you choose Zhongshi Group?
Zhongshi Group is belongs to Hi&New Tech Enterprise of Henan Province and Sci-Tech Enterprise, which have more than 10 years exporting experience. So the Zhongshi Group can be your sincerely partners.
2. How about the Zhongshi's Production?
Zhongshi Group have strictly quality control system, also have manufacture the production with high Standard. The previous orders have been receive very well feedback.
3. How to contact the Zhongshi Group?
Puyang Zhongshi Group -Petroleum and petrochemical equipments and fittings
Coco,Liu
Sales Manager
Whatsapp:+86 18530078836
https://zsjtpy.en.alibaba.com/
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