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2022-08-23Quenching and tempering is the heat treatment that combine quenching with high temper... -
2022-08-23In order to increase the hardness of the raw material, the raw material is heated to ... -
2022-08-23Rack is a kind of special gear whose teeth are distributed on strip. It can be divide... -
2022-08-23Gear is the machine element which has the function of transmit motion,... -
2022-08-23Guangdong Utrans Transmission., Ltd is an enterprise specialized ...