Passenger Seating
Transverse, longitudinal and flip-up seats, frames and mounting hardware.
SHREWSBURY, MASSACHUSETTS
Railcar Interiors & Precision Fabrication, Built in Massachusetts.
Seats, windows, handrails and structural sheet metal for North American transit fleets — ISO 9001 registered, with Buy America–compliant supply available for FTA-funded programs.
MBTA RED LINE — SEATING, HANDRAILS & WINDSCREENS
ISO 9001:2015
Registered · Cert. C2025-03310
AWS CWI on Staff
Plus ASNT NDT Level II (VT)
2 U.S. Patents
Transit seating designs
Woman-Owned
51% woman-owned business
RAIL TRANSIT
Interior systems, from first article to fleet delivery.
Window Assemblies
Fixed and sliding windows with welded aluminum frames.
Handrails & Stanchions
Bent, welded and finished stainless tube systems and windscreens.
Gangway & Structures
Gangway frames, floor plates and interior sheet-metal structures.
IN SERVICE
Built to agency specifications for MBTA and CTA fleets.
MBTA · BOSTON
Red & Orange Line Cars
Passenger seating, handrails and windscreens, interior trim, secondary framing and sheet-metal components — supported from first article inspection through on-site installation.
CTA · CHICAGO
7000 Series Railcars
Passenger seating and window assemblies manufactured to CTA specifications, with design review and first article sign-off.
MARKETS
Ready for your next program, wherever it runs.
MBTA and CTA are where our work is in service today. The same engineering, quality system and field support are available to car builders, interior integrators and transit agencies across North America.
Heavy rail & metro
New-build seating, windows, handrails and interior structures for rapid-transit cars.
Light rail & streetcar
Interior components and sheet-metal assemblies for LRV and streetcar programs.
Commuter & intercity
Seating frames, handrail systems and interior structures for coach programs.
Overhaul & spare parts
Build-to-print replacement parts and refurbishment components for mid-life overhauls and fleet maintenance.
US 12,344,286 B2 — FIG. 1
ENGINEERING
We design seats, not just build them.
Our CEO, Tianyong Wang, is the inventor on two U.S. patents for transit seating. That design experience shapes how we review your drawings, propose improvements and solve fit-up issues before they reach the car.
US 12,344,286 B2
Conductor Chair · 2025
US 11,370,336 B2
Transit Bench Seat · 2022
HOW WE WORK
A U.S. team on your program from FDR to fleet.
- 01Design reviewDFM feedback on your drawings and participation in PDR/FDR.
- 02First article inspectionFAI packages and witnessed inspections with your quality team and the agency.
- 03Production & documentationControlled production with weld inspection and traceability, plus Buy America documentation where the program requires it.
- 04On-site supportInstallation support and field service at your assembly plant.
PRECISION FABRICATION
Build-to-print weldments for industrial OEMs.
The same rail-grade quality system serves industrial equipment manufacturers who need precise sheet-metal parts and welded assemblies, delivered with inspection records.
Fabrication capabilities →Laser cutting
Stainless, aluminum and carbon steel sheet.
Forming & tube bending
Press brake forming and CNC tube bending.
Welding
TIG, MIG and robotic laser welding.
Finishing
Coordinated to your specification.
Assembly & inspection
Mechanical assembly, visual weld inspection, FAI reports.
QUALITY & CERTIFICATIONS
Documented, auditable, verifiable.
ISO 9001:2015
Registered by Perry Johnson Registrars (ANAB-accredited) for the design and manufacture of metal parts for railway locomotives and passenger cars. Cert. C2025-03310.
Welding & inspection
AWS Certified Welding Inspector and ASNT NDT Level II (VT) credentials held by our leadership; weld quality is overseen in-house.
Buy America
For FTA-funded programs, we offer Buy America–compliant supply (49 CFR Part 661) with domestic content documentation for qualifying products.
Affiliated rail facility
Our affiliated manufacturing facility, Qingdao Sanlaser Machinery Co., Ltd., holds IRIS Certification® (Rolling Stock) and EN 15085-2 CL1 for stainless steel and aluminum, including seating frames and handrails.
Have a drawing package? Send it over.
Upload PDF, STEP or DWG files. We reply to RFQs within 3 business days.