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الشخص الذي يمكن الاتصال به Mr. Liangping
161 East LuJiaZui Road China Merchant Building,Suite1402, Shanghai, Shanghai
Short Drill Collar Type DZT
The short drill collar type DZT selects the special high strength alloy steel. It's properties meet the requirement of specification. The connection meet the the requirement of API specifications. It is mainly used for connecting special tools or constituting a certain number of drilling group.