2013-1-1 Advanced technology
Japanese cold sealing process produces high-quality spark plugs, from ceramics to shells and powders, all core parts are...
2012-12-31 Technological innovation
The metal parts are processed by fully automatic numerical control lathe, with accurate dimensions. Japan's advanced aut...
2012-12-30 High specification materia
The core material insulator adopts isostatic pressing ceramics, which has the advantages of high density, high strength,...
2012-12-29 Independent research and d
On the basis of the original products, discuss the product hierarchy and structure, and conduct research on new technolo...