Large mold gear face shaft development process


Based on a large number of research and combined with our previous manufacturing experience, we have determined the processing technology of the part. The machining process of the parts is as follows: forging - roughing (remaining margin) - flaw detection - normalizing - car (tooth top cir.......

Petrochemical sludge changed activated carbon price doubled

Plant sludge, which has been a headache for petrochemical companies, has now had a new outlet. Nanjing Jide Environmental Technology Co., Ltd. announced on February 2 that the technology for the preparation of activated carbon from petrochemical sludge developed by its own research and dev.......