It mainly sells rig123.net' target='_blank'>ROSSrig123.net' target='_blank'>HILL and HAIERHAIHS electric drill electromechanical transmission system parts under the National Oil Well Huagao Company (NATIONALOILWELLVARCO); VARCO top drive accessories; Martin Dyke (M/D) parameter recorder accessories, etc. . Our company has a large inventory all year round, a complete supply and demand system, welcome new and old customers to inquire!  Tengfei generator AC module 0521-2500-14 DC module 0522-2400-23 power limit box PC14 generator excitation board PC11 ground fault detection board PC13HOC power board PC3 ammeter conversion board PC12 AC active power meter 2000KW/AC, KILOWATTS AC reactive power meter 2000KVAR/AC, KILOVARS AC voltmeter 0-750V/AC AC current meter 0-2000A/AC frequency meter 45～55HZ synchronization table SLOW-FAST, 120V AC grounding table 0～100%AC DC grounding table 100-0-100%DC single-phase rectifier bridge QL98M synchronous relay 9088800102 (ModelPRS250) idle running switch KLA1 purification power supply T04GEN running light KXPA1W (white) GEN airborne light KXPA1R (red) GEN light button KXRB1A (yellow) power limit light KXRA1A (yellow) grounding detection button KR1BH8 (black) grounding detection indicator PL-18V, 6W lamp cover (colorless) indicating bulb 6.3V indicating bulb 130V (synchronous light) indicating bulb 18V, 6W (grounding detection lamp) current conversion switch 661A270G06 synchronization Switch 508A452G23 Transformer T15 Transformer T07 Transformer T08 Transformer T10 Transformer T12 Transformer T13 Transformer T14 Transformer T11 DC Control Module 0521-2500-23 Power Board PC01 Pulley Skid Plate PC0 5, PC08 solid state relay board PC15, PC16, PC17, PC18 voltage feedback board PC02, PC06, PC07 single row diode board PC03 double row diode board PC04, PC20, PC21 DC voltmeter DB40 DC current meter DB40SCR running indicator KXPA1G surge suppression indication Light KXPA1R