Who We Are?
Wuhan Ninestones Superabrasives Co., Ltd has a professional technical research and development team, has a number of independent intellectual property rights and core technologies, and has achieved many years of successful composite material production experience.
Our company has accumulated more than 20 years of experience in the diamond composite sheet industry, and the company's product quality control is at the leading level in the industry.
QUALITY TEST
Compressive Strength Test
We use a high-precision electro-hydraulic servo universal material testing machine to simulate the high confining pressure and impact load environment downhole, conducting quantitative tests on the static compressive resistance and dynamic load capacity of PDC composite sheets and cutter matrices. By accurately obtaining core data such as material yield strength and ultimate bearing capacity, we ensure the product maintains structural stability without fragmentation and no attenuation of mechanical properties under high-pressure working conditions such as deep drilling and hard rock formation, providing core guarantees for operational safety and continuous drilling.
Impact Resistance Test
Aiming at the core working edge of the cutter, we carry out special tests including drop hammer impact and repeated impact to simulate sudden loads and collisions during drilling in complex formations. We quantitatively evaluate the material toughness and chipping resistance to fundamentally eliminate failures such as edge cracking and chipping, enabling the cutter to maintain stable cutting even in harsh formations such as alternating soft and hard layers and fractured zones, and significantly reducing the risk of operational interruptions.
Wear Resistance Test
Through high-speed grinding and simulated cutting tests, we continuously test the wear rate and cutting efficiency of PDC edges under controllable working conditions, accurately verifying the material's wear limit and service life performance. This ensures the cutter maintains a sharp cutting state during long-term drilling operations, reduces tool change frequency, improves overall drilling efficiency, and lowers comprehensive operational costs.
High Temperature Resistance Test
We place the product in a high-temperature furnace to simulate extreme high-temperature formation environments such as hot dry rock and deep geothermal energy, conducting thermal stability and thermal shock resistance tests. By monitoring the microstructural changes and performance attenuation of materials at high temperatures, we ensure that the bonding layer of the PDC composite sheet does not fail and the edge performance does not degrade, maintaining reliable cutting capacity even in high-temperature operating scenarios, and adapting to special energy exploration needs.
The main business of Ninestones includes
As an innovative enterprise, Ninestones has been committed to scientific and technological innovation and technological progress. Our company is equipped with advanced production equipment and equipment, and has introduced advanced analysis and testing equipment and professional technical personnel to establish a sound quality system and research and development system to meet the needs of customers and the market.
The founder of Ninestones is one of the earliest personnel engaged in diamond composite sheets in China, and has witnessed the development of China's composite sheets from scratch, from weak to strong. Our company's mission is to continuously meet the needs of customers at a higher level, and is committed to becoming a leading enterprise in the development of polycrystalline diamond and other composite materials.
In order to continuously promote the development of the enterprise, Ninestones pays attention to technological innovation and personnel training. Our company has established close cooperative relations with many universities and scientific research institutes, carried out industry-university-research cooperation, continuously developed and improved products, and improved product quality and performance. Our company also provides employees with good career development opportunities and training to motivate employees to make continuous progress and improvement.
Wuhan Ninestones Superabrasives Co., Ltd has been adhering to the "quality first, service first" business philosophy, customer-centric, to provide customers with high-quality products and services. Our company's products have been exported to Europe, America, Southeast Asia, the Middle East and other countries and regions, and have a high reputation and reputation in the domestic and foreign markets. As an innovative enterprise, Ninestones has also won many honors and awards, and has been recognized by the industry and society.

Company Qualifications & Certifications
Wuhan Ninestones Superabrasives Co., Ltd. holds authoritative certifications and patented technologies to deliver reliable superhard material solutions:
Patented Technology: 2 invention patents and 10 utility model patents covering PDC cutters, drill bits, and superhard tool design, production, and application optimization, guaranteeing product durability, stability, and efficient rock-breaking capacity.
Environmental Management System: GB/T 24001-2016 / ISO 14001:2015 certified (Certificate No.: U919123E30287R3S, valid until April 30, 2026) for the design, development, production, and sales of synthetic diamond and CBN superhard materials, reflecting our commitment to green and sustainable operations.









