Our History

● In 2007, Zhuzhou ZZ Import and Export Co., Ltd. (ZZ HARDMETAL) was established: Focus on the export of tungsten carbide products.

● In 2011, the Brazilian Branch (ZZ Comércio Importação e Exportação Ltda.) was established: To provide Brazilian customers with faster and better service.

● In 2014, Zhuzhou Old Craftsman Precision Alloy Co., Ltd. was established: Focus on tungsten carbide production, precision machining, brazing. Excellent talents, new equipment, the spirit of craftsmen into products!

Our Factory

Zhuzhou Old Craftsman Precision Alloy Co., Ltd, a professional tungsten carbide manufacturer combined with R& D, production, sales, technical services. Adhering to the spirit of "Craftsman", develop the advanced products through the sublimation of cemented carbide traditional crafts and the exploration of modern cutting-edge technology.

As a one-stop solution provider of carbide products and vacuum brazed wear part. We control the quality from the source of material, adapting 100% high quality virgin powder for all the products. Market demand-oriented, the company takes technology and innovation as the driving force, and devotes itself to high-quality products and sincere customer service, thus to enhance its core competitiveness. Factory area of 4,000 square meters, with all kinds of facilities of powder-mixing, pressing, semi-machining, sintering, machining and brazing process. All production processes are controlled by ERP and MES system according to ISO9001:2015.

20220702110031015823368f844e0b97377d8fa8935620HIP sintering
Ball mixing FacilitiesHIP sintering
Press room 1Press room 2
Press Room 1 Press Room 2
CNC machining centerCNC grinder
CNC machiningCenter CNC grinder
Small CNC grinderEngraving and milling machine
Small CNC grinder Engraving and milling machine

Our Product

ZZ craftsman focuses on the research and development of new wear-resistant carbide materials, and the carbide brazed products we are producing is committed to providing material conveying, pneumatic conveying system engineering design and equipment wear problems under various complex working conditions for cement, thermal power, steel, coal, port, chemical, new energy, mineral processing, engineering machinery, concrete pipe pile and other industries. The wear resistant products are applied to various harsh environments, such as high temperate, low cold and high impact. Also they are suitable for wear resistant protection for equipment which working with large transport volume, big size material, and extreme impact conditions. We have more than 10 years of industry experience in the field of wear-resistant materials developing. To provide one-stop service from production to installation, according to customer demand for product design, research and development, production, processing and other services.

The carbide blanks are also our company main products, such as carbide drawing dies, carbide bushes, carbide nozzles, carbide strips, and carbide plates. All these products are produced with high quality virgin material and HIP sintering to guarantee its high hardness and high bending strength.

The precision machining products is our company another strong points. You need more than just a carbide product, you need a supplier who can help you to maximize product performance. Different applications, special shapes, strict dimensional and form tolerances, all can be solved by us.

Meanwhile, we have a full set of equipment for experimentation. If you have high requirement on the carbide quality, you have idea on the innovated product, welcome to contact with us. We try our best to support you, and gain the development together.

belt2brazing tungsten carbideCarbide Disc for Wear Resistant48b275a2-4916-4612-aba9-b49010cd306b

Belt Scraper

Carbide Brazed Wear Plates

Carbide Dis

Tips and Wear Plates for VSI Crusher


Plastic pelletizing knife


wear part

Liners for Refractory Mold

Plastic pelletizing knife

Carbide Cutter

Carbide Nails

Product Application

With industry-leading research team and manufacturing equipment, the company has developed more than 10 series 50 types products, including but not limited to carbide brazed chute liner, belt scraper, hammer and wear plates for VIS crusher, crusher hammer, carbide drawing dies, carbide bushes, carbide shims, carbide nozzles, carbide cutting tools, carbide strips, carbide plates, etc., its technology and performance are satisfied by customer at home and abroad.

Our Certificate

As a high-tech enterprise, We use ERP and MES to control the production procedure, arranging production according to ISO 9001:2015 standard strictly, to ensure customer can get the same quality product from different batches.


ISO 9001ISO 9001-1


Density inspecting

Density inspecting

Hardness Inspecting

Hardness Inspecting

Metallography Inspecting

Metallography Inspecting

Bending Strength Inspecting

Bending Strength Inspecting

Cobalt Magnetism Inspecting

Cobalt Magnetism Inspecting

Vision Measurement

Vision Measurement

Our Service

1. Advantages of Grade design: our company have professional enigneers who have worked in the carbide production field for more than 20 years. They are experienced in the performance of different carbide product. We can recommend carbide grades according to the usage in different working environment to ensure full play to the performance of the carbide spare part.

2. Advantages of grade innovation: our company have a full sets of equipment for innovate new carbide grade for customized usage. Standard grades can meet most of the usage, but if need to have better play on the uage, innovation is very important. The grades are designed according to customers usage on site usually have obviously better performace.

3. The advantages of the shape design: the company has professional engineer on the CNC center machining. We can semi-machining the products which are not easy to be pressed by mold directly. No mold cost, no MOQ requirement, to save production cost and guarantee the time limit for customers.

4. Production management advantages: adapting MES and ERP system to control each production process. Do the testing of density, Cobalt magnetism, magnetic force, hardness, bending strength from raw material, powder mixed, pressing blanks, after sintering, to packing to ensure each batch of products are qualified. And quality for same grade different batch is uniform.

5. After-sales service and product quality assurance: We have a passionate sales team. ZZ OLD CRAFTSMAN product has exported to more than 100 countries and regions in Europe, America, Australian, Southeast Asia, South Asia, South Africa and Africa. No matter what kind of quality problem on flatness, roughness, sizes or any other problems, we take them back without no excuse if it is our company problem, all returning fees paid by our company