Jinhua Tiansheng Plastic & Hardware Factory is an export-oriented enterprise manufacturing automobile tools, such as vacuum pump of auto maintenance, auto parts covers, various hardware and plastic components, etc. The factory covers a land area of more than 5,000sq.m, employs over ten technicians ...
Ⅰ. PRINCIPLE The surface modification technology is based on the principle of thermal diffusion coating process. TD is short for Thermal Diffusion. By immersing tools or parts into fused salt bath. Carbon in the steel substrate diffuses from the tools to combine with carbide-forming elements such ...