Yuan Yi Chang Machinery Co.

What Yuan Yi Chang Machinery Co. does

Yuan Yi Chang Machinery Co., Ltd. (YYC) is a Taiwan-headquartered, privately held manufacturer of precision racks, pinions, and linear motion components, founded in 1980 and operating from Taichung City with a North American Operations Center in Tampa, Florida. The company's portfolio spans a standard rack series (modules M1-M10, straight and helical profiles, laser- and induction-hardened, accuracy grades DIN 5-10), spline pinions (DIN 5480, modules M1.5-M4, helical left-hand angle 19°31'42", SCM415 alloy steel with carburizing), an integrated Guideway Rack combining rack and linear guideway in a single component (sizes 15/20/25/35, ground SCM440 at DIN 6 or milled S50C at DIN 8), a Roller Series from SUJ2 bearing steel (HRC 60-64°, radial tolerance 0-0.01 mm), and supporting accessories including cylindrical, flange, felt-lubrication, and welded-flange pinions, plus pinion shafts, mounting flanges, lubrication cover units, and precision gauges. Manufacturing is anchored by a fully integrated, semi-automated production system covering machining, heat treatment, grinding, inspection, and robotic packing, with digital process control and traceability supporting stable repeatability to DIN, JIS, and AGMA standards up to DIN 5/JIS 1. The company is certified to ISO 9001 and ISO 14001.

Revenue is generated primarily through hardware sales of standard catalog components and engineering customization services (material selection across S45C, S50C, SCM415, SCM440, SCNM220, bronze, POM plastic, and stainless steel; heat-treatment control; profile accuracy optimization) sold into CNC machine tools, laser cutting and engraving machines, CNC routers and woodworking machinery, factory automation and robotic gantries, and material handling/RTU/logistics equipment. Pricing is not publicly disclosed, with quotes handled through sales or distributor engagement. The go-to-market is enterprise and field-sales driven through a global distributor and agent network spanning China (Beijing, Dongguan, Wuxi, Shenzhen), India, Japan, South Korea, Taiwan, the United States, and ten European markets (Denmark, Finland, Germany, Italy, Norway, Poland, Portugal, Spain, Sweden, Switzerland, Turkey), supplemented by direct sales at the Tampa facility and trade show presence at EMO Hannover, EMO Milan, and FABTECH Chicago. YYC self-reports the NO.1 market share of precision racks for machine centers in Asia and received the 2025 Dun & Bradstreet Taiwan SME Elite Award for Excellence in Precision Engineering.

Name

Yuan Yi Chang Machinery Co.

Legal name

Yuan Yi Chang Machinery Co., Ltd.

Website

https://yycdrives.com

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

51–100 employees

Short description

Yuan Yi Chang Machinery Co. (YYC) is a Taiwan-based, 45-year-old manufacturer of precision racks, pinions, and integrated guideway-roller linear motion components sold to global CNC machine tool, laser cutting, factory automation, and material handling OEMs through a worldwide distributor network.

Ownership category

akta.pro rank

Product category

Precision Rack and Pinion Systems

NAICS

Industrial Machinery Manufacturing (33324)

SIC

General Industrial Machinery & Equipment, Nec (3569), Machine Tools, Metal Cutting Types (3541)

akta.pro primary industry

Linear Motion & Mechanical Power Transmission (Ball/roller screws, linear guides, bearings, couplings) (IMAHAGAM)

akta.pro secondary industry

CNC Machine Tools (Turning, Milling, Machining Centers) (IMAHADAA)

Keywords

• Rack and pinion systems
• Linear motion components
• Precision gear manufacturing
• Mechanical power transmission
• Industrial motion components

Headquarters

HQ city

Taichung

HQ country

Taiwan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Revenue model

1. Precision Rack Sales: Standard rack products meeting DIN, JIS, and AGMA standards up to DIN 5/JIS 1 precision for CNC machine tools, automation systems, and robotic gantries.
2. Customized Motion Solutions: Comprehensive customization services including material selection (S45C, S50C, SCM415, SCM440, SCNM220, bronze, POM plastic, stainless steel), heat-treatment control, and profile accuracy optimization for medium and ultra-high precision projects.
3. Pinion Products: Various pinion types including cylindrical, spline, flange, felt lubrication, and welded flange pinions for precise torque transmission.
4. Guideway and Linear Motion Components: Guideway racks, rollers, lubrication cover units, and guideways for linear motion applications.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

Yuan Yi Chang Machinery Co., Ltd. (YYC) is a Taiwanese manufacturer founded in 1980 that designs and produces precision rack and pinion systems, guideway racks, and rollers for linear motion applications. The company serves global OEMs with products conforming to DIN, JIS, and AGMA standards up to DIN 5/JIS 1 precision grade, used primarily in machine tools, CNC machining centers, automation equipment, and laser cutting machines.

Product overview

YYC (Yuan Yi Chang) Machinery is a precision rack and pinion manufacturer offering a comprehensive portfolio of mechanical motion components. The core product lines include: Rack (M1-M10 modules), Spline Pinion, Guideway Rack, Roller Series, Cylindrical Pinion, Felt Lubrication Pinion, Flange Pinion, Welded Flange Pinion, and related accessories including Roller Lubricated Cover Unit, Guideway, Mounting Flange, Pinion Shaft, Pinion, Felt Pinion, and Gauge. Products serve CNC machine tools, laser cutting, automation systems, and robotic gantries, meeting DIN, JIS, and AGMA standards up to DIN 5/JIS 1 precision. YYC also provides comprehensive customization services including material selection (S45C, S50C, SCM415, SCM440, SCNM220, bronze, POM plastic, stainless steel) and heat-treatment optimization.

Differentiator

Problem solved

Functional benefit

Products and services

• Precision Racks (Spur and Helical)
• Pinion Gears Precision pinion gears designed to mesh with YYC's rack products, providing complete rack-and-pinion drive solutions for industrial OEMs.
• Guideway Racks Racks integrated with guideway systems for machine tool slide positioning and linear axis actuation in heavy-duty industrial applications.
• Rollers Industrial rollers used in conjunction with YYC racks and guideways to support linear motion and material handling applications.
• Rack and Pinion Accessories Supporting components and accessories (e.g., mounting hardware, mating parts) supplied to complete YYC rack-and-pinion system installations.

Quantifiable outcome

• Accuracy grades up to DIN 5 / JIS 1 precision
• +2 more outcomes

Segments5 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

14 partnerships are on record, tiered core.

• ROLLCO (Nordic Region)coreChannel Partner/ Reseller/ Distributor · 29 April 2026ROLLCO serves as YYC's authorized distributor for Nordic countries including Denmark, Finland, Norway, and Sweden. This partnership expands YYC's presence in the Nordic market, providing local sales and support for precision rack and pinion products.
• Beijing Yiheng Chuangxin Technology Co., Ltd.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Beijing region, China. Provides local sales, technical support, and customer service for YYC precision motion products in the Beijing area.
• Qunju (Guangdong) Technology Co., Ltd.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Guangdong region, China. Located in Dongguan, providing local sales and support services.
• Wuxi Zhongchuang Hexin Transmission Co., Ltd.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Wuxi region, China. Specializes in transmission products and provides local sales support.
• Yonghong Technology (Shenzhen) Co., Ltd.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Shenzhen region, China. Provides local sales and technical support for YYC products.
• Luna Technologies PVT. LTD.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for India. Located in Navi Mumbai, providing sales and support for the Indian market.
• Takachiho Trading Co., Ltd.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Japan. Located in Tokyo's Shinjuku district, providing local sales and support services.
• Dynamic Robot Technology Co., LTD.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for South Korea. Located in Haman-gun, Gyeongnam, providing local sales and support.
• Dr. Erich TRETTER GmbH + Co.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Germany. Located in Rechberghausen, providing sales and support for the German market.
• Dr. TRETTER AGcoreChannel Partner/ Reseller/ DistributorAuthorized distributor for Switzerland. Located in Beringen, providing sales and support for the Swiss market.
• Romani ComponentscoreChannel Partner/ Reseller/ DistributorAuthorized distributor for Italy. Located in Rho, Milano, providing local sales and support.
• Induprogress sp. z o. ocoreChannel Partner/ Reseller/ DistributorAuthorized distributor for Poland. Located in Warsaw, providing sales and support for the Polish market.
• ROYSE, Rodamientos y Servicios, S.L.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Spain and Portugal. Located in Sevilla, providing sales and support for Iberian Peninsula.
• ENDO ENDUSTRIYEL DON. VE OTO. SIS. SAN. TIC. A.S.coreChannel Partner/ Reseller/ DistributorAuthorized distributor for Turkey. Located in Izmir A.O.S.B., providing local sales and support.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• NBK (Nakanishi-Buchele / Nabeya Bi-tech Kaisha): Japanese maker of couplings and precision motion-control components, including linear motion and power transmission parts for machine tools and automation. Adjacent competitor to YYC on linear motion and motion-control hardware.
• Sedis Group: French manufacturer of power transmission chains and complementary precision components (gears, racks) serving industrial OEMs. Adjacent/emerging peer to YYC in mechanical power transmission, with European OEM relationships relevant to YYC's expansion targets.

Broad incumbents

• Nabtesco Precision Europe / NABTESCO (motion control): Japanese-headquartered motion control supplier with precision gears and rack-and-pinion solutions for machine tools, robotics and semiconductor automation. A direct adjacent competitor with greater scale and stronger brand in high-end factory automation.
• WITTENSTEIN SE: German precision-drive group offering low-backlash planetary gearboxes and rack-and-pinion drives serving machine tools, robotics and automation. Overlaps with YYC on the rack-and-pinion subsystem but competes from a much broader precision mechatronics portfolio.
• Tsubaki Chain Co. (Power Transmission / Linear Motion): Japanese industrial power transmission leader with rack-and-pinion and linear motion product lines serving machine tool and factory automation customers globally. Competes with YYC from a far larger installed base and broader product portfolio.

Direct peers

• KHK (Kohara Gear Industry Co., Ltd.): Japanese manufacturer of standardized and custom racks, pinions and gear-related motion components for machine tools and automation. Directly comparable to YYC on product family (M-series racks, pinion shafts), end markets (CNC/automation) and Asian manufacturing footprint; competes head-to-head with YYC across Asia.
• ATLANTA Drive Systems (Eisenmann & Co. subsidiary): German rack-and-pinion drive specialist with helical and straight racks, pinions, and integrated linear motion systems. Direct competitor to YYC in Europe and the Americas, especially for high-end CNC and automation OEMs with similar DIN-grade precision positioning.
• Güntner Antriebstechnik GmbH: German precision rack-and-pinion manufacturer supplying linear motion solutions to machine tool, automation and gantry customers. Closely comparable to YYC on rack/pinion part families, DIN precision grades and CNC/automation end markets.
• Legeon S.r.l. Italian precision rack-and-pinion and gear manufacturer serving machine tool, automation and motion control OEMs across Europe. Comparable to YYC on rack family, customization depth and industrial OEM customer profile.

Others

• RACO / Rollco (linear motion distribution OEM partnerships): European linear motion and rack-and-pinion distributor / component integrator serving the Nordics and broader EU. Relevant to YYC because Rollco is YYC's newest Nordic channel partner, making Rollco simultaneously a comparable channel ecosystem player and a customer for YYC's distribution strategy.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xwa.me/qr/G7G3TWCSRWVJD1
• YouTubeyoutube.com/channel/UClx-hL1JQ9DyBx2t5-GJ75A
• Facebookfacebook.com/YYCMachinery
• LinkedInlinkedin.com/company/yycmachinery

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Yuan Yi Chang Machinery Co.