KING SML Group, based in Wuhan, China, has been deeply involved in industrial products for over a decade. As one of the leading industrial products manufacturers in China, we were engaged in processes of integrating product design, R&D, production, sales and maintenance.
KING SML Group specializes in supplying various and high-quality superhard materials, drilling tools and accessories, PDC cutters, customized refractory metal products including tungsten and molybdenum materials, etc. Our subsidiaries - Suburb Tools, JoyJet, and Field Diamond - provide specialized solutions from drilling accessories to CNC cutters and custom PDC Cutter services. We offer complete OEM/ODM services with professional one-stop solutions. Customer-driven in excellence and innovation, we are your trusted industrial manufacturing partner.

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Quality Control

Meticulous Control

Exemplary Oversight Ensures Superiority in Material Selection, Processing, Production,

and Quality Inspection of Our Products.

Raw Material Surveillance


Employing our comprehensive six-step approach,we meticulously monitor raw materials and we employ scientific instruments to evaluate material hardness and particle size.

Production Quality Control


Our production workshop adheres to rigorous 6S management principles.We conduct regular equipment maintenance and provide our employees with ongoing training to uphold the highest standards.

Processing Oversight


Utilizing cutting-edge CNC machining equipment of exceptional precision,we ensure consistently high levels of accuracy during the manufacturing process.

Stringent Quality Inspection Standards


JOYJET's  inserts undergo rigorous four-dimensional testing standards, ensuring exceptional precision, durability, and reliability.

Service Advantage

Meticulous Control: Exemplary Oversight Ensures Superiority in Material Selection, Processing, Production, and Quality Inspection of Our Products.

Suburb Tools|KING SML has been specialized in the manufacturing of high-quality drill bits and PDC bits for mining and drilling since 2014. As one of the leading drill bit factories and PDC bit suppliers in China, our drill bits are exported to the United States, Europe, Australia, and other countries worldwide.

JoyJet | KING SML is a leading supplier of high-performance metals and ultra-hard materials, with over 10 years of expertise. We provide custom tungsten, molybdenum, carbide, titanium Damascus, and metal cubes for medical, aerospace, and industrial applications. Our labs and factories in China and India also produce precision diamond tools, CNC cutters (CBN/PCD/ceramic), and super-hard grinding wheels.

Field Diamond | Field Diamond Limited is a member of the KING SML, focusing on the diamond tool industry and engaging in the business of R&D, production, processing, and sales operations of PDC (polycrystalline diamond composite) cutters.

Group Sub-Brands

CASES

Technological Barrier Breakthrough

Our team of engineers is dedicated to assisting customers in resolving technical challenges and providing tailored solutions.

Create Absolute Predominance

Win-win & Common Prosperity

The CEO of the German Company D said: “You have saved us tons of money and time and helped us thrive. Please be our business partner forever!”

We have been the sole agent for A Company in China for 10 years, providing exceptional product technology and service support.

MORE+

By choosing us, you will not only receive superior products but also benefit from customized services and peace of mind with our unwavering after-sales support. We firmly believe that exceeding your expectations is the key to mutual growth and achieving greater success together.

Our service commitment knows no bounds as we offer round-the-clock support.

Our 24/7 service team is always ready to provide timely assistance and solutions, no matter the time of day.

KING SML GROUP

ESG
ALFABS

ESG

ESG

At our core, we are committed to integrating the principles of Environmental, Social, and Governance (ESG) into our business practices, making contributions to both humanitarianism and environmental preservation.

Through our primary products - PDC drill bits, tungsten products, PDC cutters, diamonds tools (PCD/CVD/CBN insert) - we strive to significantly reduce natural resource extraction and carbon emissions, fostering a more environmentally conscious superhard materials industry.
ALFABS

ALFABS

Embracing cutting-edge technologies, we diligently work towards minimizing production waste, conserving raw materials, and reducing overall waste generation, promoting a more sustainable production approach.

As a distinguished supplier of drilling tools for China's "Belt and Road" initiative, our company has established long-term partnerships with leading drilling companies such as "Alfabs" in Australia, collectively contributing to mutual development.

Warm

We build warmth within our teams, extend genuine care to clients, nurture partnerships, and contribute to society - together building a warm-hearted company at KING SML.

Integrity

We embrace integrity at KING SML by standing firm in challenges, building trust, keeping promises, and pursuing growth with both determination and responsibility.

Selfless

We prioritize collective interests through humility and mutual benefit, fostering lasting partnerships for shared success. We embrace social responsibility by contributing to society and spreading goodwill as a conscientious corporate citizen.

Elegance

We pursue noble character and elegant excellence in all aspects of our work. We at KING SML pursue craftsmanship excellence, creating premium products exported overseas for the admirable Chinese brand industrial products.