The products for triplex and duplex mud pumps are referring as below: Mud pump: EMSCO: F-500, F-800, F-1000, F-1300, F-1600 National: 12P-160 Gardener Denver: PAH, PZ-9/10/11, TEE 165 Weatherford: T-425 Ellis Williams: EWS 440, EWS 446 (EWS SERIES) Cementing and Fracturing Pump: TP250, TP300, TP350, TP450, TP500, TP600,TP800, TP1000, TP2500 Halliburton:HT-400 Downhole Motor Centrifugal and sand pumps: 10814,8x6x14,8x6x11,6x5x14,6x5x11,4x3x13,3x2x13 Mud pump parts with API 7K-0206 are interchangeable with OEM. Premium chrome Liner, Chrome-plated Liner, Hardened Steel Liner, Ceramic Liner, 3-web Valve and Seat, 4-web valve and seat, Full-open Valve and Seat (KQ/G2/FO), Rubber Renewable Piston, Urethane Renewable Piston, Rubber Bonded Piston, Urethane Bonded Piston, Piston Rod, Piston Rod Clamp, Upper and Lower valve Guide, Extension Rod, Threaded Ring, Liner End Cover, Valve Pot Cover, Cylinder Head, Cylinder Head Plug, Liner Seal, Valve Cover Gasket, Cylinder Head Gasket, Module (Fluid ends), Hammer Union, Centrifugal pump, etc.. By "Quality Prior, Customer First, Price Competitive & Delivery Swift", our customers have grown to the areas in both South & North America, Europe, Middle East, Africa, Middle Asia & Southeast Asia. Simultaneously, we manufacture parts for many customers according to their drawings under our Sound Quality Control system (SQCS), Total Quality Management (TQM) and strict oilfield supplying system (SOSS). Now we had set up and implemented a set of strictly supplying system no matter what small parts or huge equipments are in order to manufacture High quality & Competitive Price to our customer all over the world. We are sure that you will get continuous best services and unlimited solutions for your drilling equipments from Qingdao Hongbo.