HTT is majoring in producing and supplying those high professional quality drill bit products to the global industries and markets. With the close cooperation with Bosch, the SDS-plus logo authorization is issued to on every piece of hammer drill bit SDS+ made by HTT.
Series of high quality drill bit for the different porcelain drilling purposes to meed different porcelain&ceramic hardness request from level 1 to the one above level 6. The best product project is made by HTT under the technology development and the constant innovations. Read More