KngTech Corporation which is a wholly-owned sales subsidiary of Maple Group , and the general agent of Engis Corporation and Japan A.L.M.T.Corp.,is located in LuJiaZui Trade Zone of PuDong in Shanghai. The forerunner domain are grinding and R&D.We have professional factories specialized in high-quantity single & double-side-lapping machine and polishing machine production and Sales .According to custom-tailored feature requirements，We supply various polishing consumables, technique service ,debugging and technical guidance for equipments and consumables.

Our corporation is a modern high-end technique services provider, integrating with equipments, components, consumables, technical support and consultation development in grinding industry.