About Us

About Jinyuchang Industrial Technology Co., Ltd.

Jinyuchang Industrial Technology Co., Ltd. operates TUNGVARA and JYC Carbide for international customers sourcing carbide materials and precision cutting tools. Our product portfolio includes carbide rods, solid carbide end mills, carbide drills, carbide reamers, carbide inserts and custom carbide tools for standard, OEM, private-label and made-to-drawing programs.

The manufacturing capabilities supporting these programs extend from tungsten carbide powder, ready-to-press material and sintered carbide products to precision grinding, coating coordination, inspection and export delivery. Across a 270,000 m² industrial site in China, connected material, alloy and cutting-tool resources support consistent specifications, scalable production and long-term supply.

Our customers include cutting-tool distributors, private-label brands, machine shops and industrial manufacturers. Whether the requirement is a standard catalog item, an OEM product range or a custom tool, each project begins with confirmation of the product specification, quantity, inspection requirements and delivery terms.

Manufacturing Strength at a Glance

  • Integrated carbide manufacturing — From powder preparation and sintering to carbide rods and finished cutting tools
  • 270,000 m² industrial site — Connected material, alloy, blank and precision-tool production resources
  • WALTER, ANCA and Rollomatic equipment — World-Class Equipment: Precision Engineering, Uncompromising Standards
  • Top-Tier Metrology Lab with Industry-Leading Capabilities — UK melvin laser granulometer, mike instrument companies in the United States nitrogen adsorption instrument, the oxygen nitrogen hydrogen tester, American forces can be carbon tester, scanning electron microscopy (sem) FEI, companies in the United States, Japan neo-confucianism X-ray fluorescence spectrometer, Germany Foerster coercive force meter, Germany Foerster cobalt magnetic instrument, Zoller tool machines and other large imported testing equipment, this comprehensive equipment matrix places our testing capabilities at the forefront of the industry.
  • ISO management systems — Quality, environmental, occupational health and safety, and energy management
  • Standards and technical development — Participation in the development or revision of more than ten carbide-related national standards

The Integrated Carbide Manufacturing Base Site Video ( From carbide powder to Carbide tools)

This video overview presents the industrial base supporting applicable carbide material and precision cutting-tool programs. Material production, alloy processing, cutting-tool manufacturing, technical development and supporting functions operate within a broader manufacturing system.

  • Powder Division
  • Precision Tool Division
  • HSE Department
  • Alloy Division
  • Cutting Tools Division
  • Technology / R&D Center

This video provides an overview of the industrial site and selected departments. The facilities, production route and documentation applicable to each order will be confirmed during project review.

Solid Carbide End Mill Production Workshop Video

This workshop video provides a closer view of selected production areas and CNC grinding equipment used for solid carbide end mills. It shows the manufacturing environment supporting repeatable production of square carbide end mill, Ball-nose Carbide End Mill, Corner-radius Carbide End Mill and application-specific end mills.

  • CNC grinding based on the approved end-mill geometry
  • Production against confirmed diameter, overall length, flute and shank requirements
  • Support for standard, private-label and drawing-based end-mill programs

The footage focuses on the end-mill workshop and grinding equipment. Product-specific geometry, tolerance, coating, inspection and acceptance requirements are confirmed against the approved order specification.

Carbide Materials and Precision Cutting Tools

Our supply range covers key stages of the tungsten carbide value chain, allowing customers to source carbide materials and finished cutting tools within a broader manufacturing system.

Carbide Rods

Available products include ground and unground solid carbide rods, coolant-hole rods and made-to-drawing carbide blanks. Grade, diameter, length, surface condition, coolant-hole configuration and inspection requirements are confirmed for the applicable order.

Solid Carbide End Mills

The range includes square carbide end mill, ball-nose carbide end mill, corner-radius end mill, roughing milling tools, long-reach carbide end mill, micro and application-specific end mills for machining steel, stainless steel, cast iron, hardened materials, titanium and heat-resistant alloys, aluminium, copper and other non-ferrous materials.

Carbide Drills

Standard and custom carbide drill programs can cover solid carbide twist drills, coolant-fed designs, step drills and drawing-based geometries. Diameter, flute length, overall length, shank, point geometry, coating and coolant configuration are confirmed before production.

Carbide Reamers

Carbide reamers are available for precision hole-finishing requirements, including standard and drawing-based designs. Tool geometry, diameter tolerance, edge preparation, coating and inspection criteria are agreed for the application and order.

Carbide Inserts

The product portfolio includes indexable carbide inserts for applicable turning, milling and other cutting operations. Insert designation, geometry, grade, chipbreaker, coating and application group are confirmed against the required specification.

Custom Carbide Tools

Custom carbide tools and components can be reviewed from a drawing, sample or complete specification. Depending on the approved scope, projects may include special end mills, drills, reamers, profile tools, stepped tools and other made-to-drawing carbide products.

OEM and Private-Label Programs

OEM and private-label carbide tool programs can include product selection, drawing-based development, laser marking, packaging and repeat-order specifications. Feasibility, quantity, inspection and delivery requirements are confirmed before quotation or production release.

Manufacturing Strength for Scalable Supply

We support distributors, private-label brands and industrial manufacturers with an integrated manufacturing platform built for volume, repeat and multi-product programs. From carbide materials to finished precision tools, production capacity, engineering, quality control and program management work together to protect specification consistency and supply continuity.

Scale for Volume and Repeat Orders

Connected material, blank and finished-tool capacity supports standard, custom and multi-SKU programs. Production planning aligns approved specifications, capacity, inspection requirements and delivery schedules to provide a stable foundation for volume and repeat orders.

Integrated Supply from Material to Finished Tool

The supply chain spans carbide powder, ready-to-press material, sintered products, rods, blanks and finished cutting tools. Connecting material performance with finished-tool requirements strengthens batch consistency, supply continuity and response to specification changes.

Engineering and Process Capability

Technical resources cover carbide materials, tool geometry, coating selection and production processes. Standard products follow approved catalog data, while custom projects proceed against reviewed drawings, application requirements and manufacturability criteria.

Advanced Production and Inspection Equipment

WALTER, ANCA and Rollomatic CNC grinding equipment supports precision-tool production, complemented by ZOLLER tool-measurement systems and material-analysis resources. Equipment and inspection routes are matched to the product specification and approved quality plan.

Quality and Standards Control

Order-specific controls connect material verification, dimensional and geometry inspection, documentation and repeat-order records. Applicable standards and acceptance criteria are defined before production, creating a consistent technical baseline for every approved program.

Program Management and Global Delivery

OEM, private-label and multi-product programs are managed through one coordinated framework covering product identification, approved specifications, packaging, inspection documents, production follow-up and export delivery. This gives customers a clear line of responsibility from order approval to shipment.

For qualified programs, supplier qualification can be supported by certificate review, production-video review, third-party pre-shipment inspection or a manufacturing-site visit, subject to authorization and confidentiality requirements.

2. A Controlled Path from Approval to Repeat Supply

Our project-control process carries each approved requirement from technical alignment through production, inspection and export delivery, providing a documented foundation for repeat supply.

1. Technical and Commercial Alignment

Product type, catalog model or drawing, dimensions, quantity, destination and applicable technical requirements are aligned before quotation, establishing a clear commercial and manufacturing baseline.

2. Sample and Production Approval

Where validation is required, samples or trial batches are evaluated against agreed criteria before volume production is released. Approved results become part of the project specification.

3. Controlled Production and Inspection

Production follows the approved specification, with inspection items and documentation aligned to the agreed standard, drawing and purchase-order requirements.

4. Export Delivery and Repeat Supply

Packaging, shipping documents and delivery arrangements are coordinated for each confirmed order. Approved product records provide the basis for repeat production, while specification changes are reviewed before the next release.

3. International Standards for Global Supply

Our global supply programs are managed against the product and inspection requirements agreed for each order. Applicable DIN, ISO, ASME, ANSI, ASTM, JIS, BS ISO and EN ISO references can be incorporated into the approved technical specification together with the drawing revision, dimensions, tolerances, carbide grade, coating, marking, packaging and documentation requirements.

The table below connects each reference with its principal market, technical scope and relevant product group, helping international buyers identify the standards most relevant to their sourcing program. The governing edition and acceptance criteria are confirmed as part of order approval, creating a clear basis for production, inspection and delivery.

Market / RegionStandardWhat It CoversRelevant Products
GermanyDIN 6535:2024-03Forms and dimensions for cylindrical shanks made of hard materialsCarbide Drills, Solid Carbide End Mills, Carbide Reamers and Custom Carbide Tools
GermanyDIN 6537:2020-10Dimensions for solid carbide twist drills with stepped parallel shanksCarbide Drills
GermanyDIN 6527Dimensions for solid carbide end mills with stepped parallel shanksSolid Carbide End Mills
InternationalISO 10911:2017Dimensions for solid carbide end mills with cylindrical shanksSquare, Flat and Roughing End Mills
InternationalISO 15917:2012Types and dimensions for solid carbide and ceramic ball-nose end millsBall Nose End Mills
InternationalISO 235:2016Dimensions for short-series, jobber-series and Morse-taper-shank twist drillsTwist Drills
InternationalISO 521:2011Dimensions for machine chucking reamers with cylindrical or Morse-taper shanksCarbide Reamers
InternationalISO 1832:2017International designation system for indexable cutting-tool insertsCarbide Inserts
InternationalISO 513:2012Classification and application groups for hard cutting materialsCarbide Inserts and Cutting Tools
InternationalISO 13399 seriesCutting-tool data representation and exchange for catalogs, CAM, PIM and custom-tool dataCustom Carbide Tools and Cutting Tools
InternationalISO 3369:2006Density determination for impermeable sintered materials and hardmetalsCarbide Rods, Blanks and Plates
InternationalISO 3327:2009Transverse rupture strength testing for hardmetalsCarbide Rods, Blanks and Plates
InternationalISO 3738-1Rockwell A hardness testing for hardmetalsCarbide Rods, Blanks and Inserts
InternationalISO 4499-4:2016Metallographic assessment of porosity, uncombined carbon and eta phaseCarbide Rods, Blanks and Inserts
United StatesASME B94.2Terminology, types, dimensions and tolerances for reamersCarbide Reamers
United StatesASME B94.11MDimensions and tolerances for straight-shank and taper-shank twist drillsCarbide Drills
United StatesASME B94.19Dimensions and tolerances for milling cutters and end millsSolid Carbide End Mills
United StatesANSI B212.4Identification coding for indexable insertsCarbide Inserts
United StatesASTM B294Rockwell A hardness testing for cemented carbidesCarbide Rods, Blanks and Inserts
United StatesASTM B406Transverse rupture strength testing for cemented carbideCarbide Rods, Blanks and Plates
United StatesASTM B657Metallographic assessment of cemented tungsten carbide microstructureCarbide Rods, Blanks and Inserts
JapanJIS B 4402Dimensions for machine chucking reamers with cylindrical or Morse-taper shanksCarbide Reamers
United KingdomApplicable BS ISO editionsUK adoptions of applicable ISO cutting-tool and inspection standardsApplicable Carbide Materials and Cutting Tools
European UnionApplicable EN ISO editionsEuropean adoptions of applicable ISO cutting-tool and inspection standardsApplicable Carbide Materials and Cutting Tools

4. Quality Assurance from Material to Finished Tool

Quality is built into every stage of the production chain, from carbide materials and sintered products to semi-finished components and finished cutting tools. Product-specific inspection plans can cover chemical composition, material properties, density, hardness, transverse rupture strength, microstructure, dimensions, roundness, surface condition, runout, tool geometry and cutting-edge condition.

Applicable manufacturing operations are supported by management systems covering quality, environmental responsibility, occupational health and safety, and energy management, including ISO 9001, ISO 14001, ISO 45001 and ISO 50001. For qualified programs, the scope, validity and applicable manufacturing entity of relevant certificates can be reviewed.

Industries We Support

Our carbide materials and precision cutting tools support manufacturers, distributors and supply partners serving:

The product, carbide grade, geometry and coating selected for each application depend on the workpiece material, machining operation, machine conditions and required result. Application-specific performance claims are confirmed against relevant product data or approved project conditions.

Manufacturing Credentials Supporting Our Supply Programs

The manufacturing system supporting applicable TUNGVARA and JYC Carbide programs has received recognized national and provincial credentials in technology, green manufacturing, specialized industrial development, exports and intellectual property.

  • National High-Tech Enterprise
  • National Green Factory
  • MIIT “Little Giant” Specialized and Innovative Enterprise
  • Jiangxi Export Famous Brand
  • National Intellectual Property Advantage Enterprise
  • Participation in the development or revision of more than ten national standards related to carbide materials and manufacturing

These credentials relate to the manufacturing enterprise or facilities supporting the applicable product program. For qualified projects, certificate scope, validity and the relevant manufacturing entity can be reviewed subject to authorization and confidentiality requirements.

Build a Reliable Carbide Supply Program

We aim to support customers beyond a single quotation or shipment. Whether the requirement involves carbide rods, a private-label cutting-tool range, standard solid carbide tools, custom tooling or a multi-product sourcing program, the objective is the same: establish a clear specification, match it with the appropriate manufacturing capability and build a supply program that can be repeated with confidence.

For a standard product, send the product type or catalog model, dimensions, quantity and delivery destination. For a custom requirement, also include the drawing, workpiece material, machining operation, tolerance, coating preference, inspection requirements, packaging and target delivery schedule.

Frequently Asked Questions

Do you support OEM and private-label carbide tool programs?

Yes. Available programs can include product selection, drawing-based development, private-label marking, packaging and repeat-order specifications. Custom geometries are reviewed separately from drawings or complete application requirements. Feasibility, quantity, inspection and delivery requirements are confirmed before quotation or production release.

Can you support volume orders and repeat production?

Applicable manufacturing resources can support volume and repeat-order programs after the product specification, production route, inspection requirements and delivery plan have been confirmed. Where validation is required, a sample or trial batch can be reviewed before volume production is released.

Which international standards can be specified for an order?

Depending on the product and target market, applicable DIN, ISO, ASME, ANSI, ASTM, JIS, BS ISO or EN ISO requirements can be agreed for production or inspection. The required standard, edition, product scope, drawing, tolerance and acceptance criteria should be confirmed before quotation and production.

What quality documents are available?

Depending on the product and agreed order requirements, documentation may include a Certificate of Conformance, dimensional inspection records, material-property or laboratory reports, coating information, batch identification and third-party pre-shipment inspection. The required document package should be confirmed before production.

Can qualified buyers review manufacturing credentials or arrange an audit?

For qualified projects, certificate scope and validity, applicable manufacturing information, production video review, third-party pre-shipment inspection or a manufacturing-site visit can be discussed subject to authorization and confidentiality requirements.

What information should I provide for a quotation?

For a standard product, send the product type or catalog model, dimensions, quantity and destination. For a custom tool, also provide the drawing, workpiece material, machining operation, tolerance, coating preference, inspection requirements, packaging and required delivery schedule.

What certifications do you hold?

ISO 9001, 14001, 45001, and 50001. We are also a National High-Tech Enterprise and National Green Factory

Whether you are qualifying a new supplier, developing an OEM or private-label range, or planning volume and repeat orders, we are ready to review your requirements. Send the product list, catalog model or drawing, required standard, quantity and delivery destination. Our team will confirm the appropriate next step for quotation, sample evaluation or project review.