Shenzhen Nearjin Surface Technology Co., Ltd

The company was founded in February 2011 with registered capital of 15 million, relying on the resources of Research Institute of Tsinghua University

Green healthy woks with' high security, no coating, antiseptic treatment, wear resistance' is one of successful technology application example

Unlike traditional surface hardening technology is difficult to adapt to the porous nature of powder metallurgy and thermal deformation, it improved t

In mechanical working, this technology has a obvious advantage of anti-dilute acid, is far better than other technologys, such as QPQ Salt bath, Nitri