... forging, such as sealing strip, primary planet ring, output shaft, hollow shaft and so on.We have factory area 50, 000m2 ... chemical field, shipbuilding, pharmacy, metallurgy, water conservation, power plant, pipe accessories and so on. Welcome to contact me for further discussion ... Baohua Forging Co.,LtdTel: 0086-13853179742Fax: 0086-531-83861079, Hollow shaft forging(blank&finish machining)