Material: Made from Alloy Steel. Such as 1045,42CrMo4,4140,4142,AISI4145H Mod. and so on. Also we could according to the customer?s requirement.Type: All kinds of Metallurgical shaft. Hydroelectric ...
China Senwell drilling equipments Co.,Ltd
Main Products: drill pipe, drill collar, kelly, stabilizer, forging, hole opener... More