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2.according to API 7K standard
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We're Puyang City Qili Petroleum Mechanical Equipment Co., Ltd.,specializing in mud pump,fluid end.
Our products mainly include valve seat and body, valve assy, liners, piston, piston rod and others mud pump parts.
We have been one of the biggest suppliers of Zhongyuan Oilfield since ten years ago.
Our products have already gained ISO9001 quality management standard certificate and meet API standard requirements.
Basing on our development tenet of Quality First,Credit Uppermost, we always put our utmost efforts to supplying high qulity products and best services to clients with maximum saving cost for our equipments users
air bag for mud pump