DTA-135N digital torque adapter
DTA-135N is a listed TOPTUL digital torque adapter with a 3/8-inch square drive and an original 27–135 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
DTA-200N digital torque adapter
DTA-200N is a listed TOPTUL digital torque adapter with a 1/2-inch square drive and an original 40–200 N·m torque range.
View productDTA-135A4 digital torque and angle adapter
DTA-135A4 is a listed TOPTUL digital torque and angle adapter with a 1/2-inch square drive and an original 6.8–135 N·m torque range.
View productDTA-340A4 digital torque and angle adapter
DTA-340A4 is a listed TOPTUL digital torque and angle adapter with a 1/2-inch square drive and an original 17–340 N·m torque range.
View productANAE1624 torque multiplier
ANAE1624 is a listed TOPTUL torque multiplier with 500 N·m maximum input and 1500 N·m maximum output torque in the original catalog.
View productANAE2432 torque multiplier
ANAE2432 is a listed TOPTUL torque multiplier with 1000 N·m maximum input and 3000 N·m maximum output torque in the original catalog.
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