Nanyang Second Machine won two more national invention patents

Recently, Nanyang Erji Petroleum Equipment (Group) Co., Ltd. developed two technologies for oil drilling equipment used for semi-drilling drilling rigs and drilling fluid delivery systems. It was granted a national invention patent, which was achieved this year by Nanyang Erji Group in terms o.......

Shangchai Engine Highlights Clean Power

The new SC25R/28R series engine, which was newly introduced and developed by Shanghai Diesel, and the SC9DF engine, SC8DT engine, and SC9DK engine that have continued to sell well in the past few years are also being upgraded again. All of Shangchai’s engines .......