DT-085S3 short-handle digital torque wrench
DT-085S3 is a listed TOPTUL short-handle digital torque wrench with a 3/8-inch square drive and an original 4.2–85 N·m torque range.
View productCompany profile
TOPTUL / Rotar Machinery Industrial Co., Ltd.
Content updated
ROTAR produces professional tools under TOPTUL and operates surface-finishing and machinery businesses.
Company identity and history
The company profile names Rotar Machinery Industrial Co., Ltd. and dates the ROTAR business to 1981. It separately states that TOPTUL professional tools began global marketing in 1994. The brand-launch year is therefore not used as the company start date.
Business and product context
The profile distinguishes vibratory surface finishing, machinery and tool production. The TOPTUL range includes sockets, wrenches, pneumatic tools, automotive specialty tools and storage equipment. Buyers should specify the exact tool type, drive or fastener size, and intended duty instead of relying on broad company claims.
Core entity information
- Legal entity
- Rotar Machinery Industrial Co., Ltd.ROTAR / TOPTUL · Source consulted 2026-10-28Company named in the ROTAR profile.
- Brand / other names
- ROTAR; TOPTULROTAR / TOPTUL · Source consulted 2026-10-28Company/group and professional-tool brand names.
- Founded
- 1981ROTAR / TOPTUL · Source consulted 2026-10-28ROTAR business establishment; TOPTUL global marketing began separately in 1994.
- Headquarters
- Not yet documented
- Published contact address
- No. 189, Gongye Road, Taiping District, Taichung City 41154, TaiwanROTAR / TOPTUL · Source consulted 2026-10-28Published contact address in Ta Li Industrial Park.
- Business type
- Professional-tool and finishing-equipment manufacturerROTAR / TOPTUL · Source consulted 2026-10-28Tool production, vibratory finishing and machinery activities described by the company.
- Official website
- https://www.toptul.com/ROTAR / TOPTUL · Source consulted 2026-10-28Official TOPTUL website.
- Certificates and issuer checks
- Not yet documented
Missing fields mean this directory has not documented them yet. Submit a correction or supporting document through For companies.
Capabilities
- Professional hand-tool development and manufacture
- Sockets, wrenches and fastening tools
- Tool storage and automotive tools
Products
DT-135S4 short-handle digital torque wrench
DT-135S4 is a listed TOPTUL short-handle digital torque wrench with a 1/2-inch square drive and an original 6.8–135 N·m torque range.
View productDT-030I2 digital torque wrench with ratchet insert
DT-030I2 is a listed TOPTUL digital torque wrench with ratchet insert with a 1/4-inch square drive and an original 1.5–30 N·m torque range.
View productDT-135I3 digital torque wrench with ratchet insert
DT-135I3 is a listed TOPTUL digital torque wrench with ratchet insert with a 3/8-inch square drive and an original 6.8–135 N·m torque range.
View productDT-200I4 digital torque wrench with ratchet insert
DT-200I4 is a listed TOPTUL digital torque wrench with ratchet insert with a 1/2-inch square drive and an original 10–200 N·m torque range.
View productDT-340I4 digital torque wrench with ratchet insert
DT-340I4 is a listed TOPTUL digital torque wrench with ratchet insert with a 1/2-inch square drive and an original 17–340 N·m torque range.
View productSources and updates
Scope of this page: Company identity, history, operating locations and product portfolio. Technical ratings remain specific to each product and its stated conditions.
Rotar Machinery Industrial Co., Ltd. original public information
Original publication · Rotar Machinery Industrial Co., Ltd.
Source accessed: 27 October 2026
ROTAR and TOPTUL company and brand history
Original publication · ROTAR / TOPTUL
Company identity, 1981 origin and separate 1994 TOPTUL launch.
Source accessed: 28 October 2026
TOPTUL official website and contacts
Original publication · ROTAR / TOPTUL
Product groups and published Taichung address.
Source accessed: 28 October 2026
Update note: Added source-linked company identity and history, distinguished operating locations, and expanded the product-portfolio context.
Content updated 28 October 2026. Source dates describe the documents or the recorded access to them.
How information is documented