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Kelly bar is the key part of a drilling machine, and its quality directly affects the performance of the whole machine. The main purpose of kelly bar is to transfer the torque of rotary drive and crowd pressure of the crowd system to the drilling tool.... More
product features1 .product standardsgb1094.1 ~ 2-1996gb1094.3 ,5-1985gb/t6451-1995iec762. low loss- optimization of electromagnetic calculations, using combined technology of electrical shielding and magnetic circuit, effectively controlled leakage, so... More
The sound-proof type genset has perfect all-weather service property and the outside steel material features preferable corrosion prevention capability. Special noise elimination setting restrains machinery noise to be lowered below 75dB.Specifications:... More
