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- Drilling Swivel
- Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level drilling swivel manufacturers and suppliers, with professional factory, we are able to produce API and oilfield api swivel, oilfield swivel, sl225 swivel, sl 450 swivel, drilling rig swivel, welco
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Xi'an ZZ Top Oil Tools Co.,Ltd
[Verified]
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Negotiable
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