Our main products include: PDC bits, PCD & PCBN tools, Diamond & CBN grinding wheels 3 big series, widely used for geological exploration, water well drilling, geothermal wells, oil and gas drilling, automobile, ceramic etc. And other metal and nonmetal materials cutting and grinding. Except standard products, we also can produce and design as per clients' drawings, samples, and requirements.
We have a professional technical team with many years of experience in diamond and its application field, established excellent research cooperation with many colleges. We have the first-class manufacturing technology, introduced advanced production equipment and testing apparatus, established perfect research and development, quality control system. We have awarded ISO9001:2000 quality management system certification, owns independent import and export rights. Our products sold well in our domestic market, also have been exported to Germany, Canada, USA, Australia, Japan, Korea, Colombia, Hongkong etc.

LD aim to be the leading supplier of industrial diamond products. We adhere to customer demand-oriented and persist in technological innovation.

We will do our best to provide customers with the first-class products and quality services.