38 years of consistent production.
Manufacturing since 1988
38 years, one factory, belts trusted in 60+ countries.
The proof
38 years of production. Every number documented.
38 years of consistent production.
12,500 m². One source.
Your order. Every batch documented.
60+ countries. One quality standard.
How we deliver
If a belt fails on your production line, it's our problem. We make it, we stock it, we track every batch, and we answer for it.
12,500 m² facility in Thailand. ~400 employees. We control production from compound mixing to final inspection.
Your belt. In stock. Order today, ship today.
Tell us your application. We confirm the belt.
Delivery isn't the end. If something doesn't fit or perform as expected, we work through it with you.
Founded 1988
Union Thai Industrial Co., Ltd. is the company behind the SQUAREROPE brand — manufacturing high-performance industrial rubber belts since 1988. Our factory in Thailand employs approximately 400 workers across a 12,500 m² facility. With over 30 years of manufacturing expertise and ISO 9001:2015 accreditation (AJA Registrars Ltd, December 2017), every SQUAREROPE belt is built to deliver reliable power transmission. We manufacture rubber belts for industrial and automotive applications, serving customers worldwide. Full-line inventory, flexible batch ordering, and fast delivery allow us to meet customers' one-stop sourcing needs — from standard V-belts to specialty timing belts. Care, Confidence, and Creativity (3Cs) is the motto behind everything we do. Union Thai Industrial will continue providing the most competitive pricing, consistent quality, and responsive service our customers expect.
Our Journey
Union Thai Industrial Co., Ltd. established the SQUAREROPE brand, with our own factory in Thailand.
Factory management system accredited by AJA Registrars Ltd (Anglo Japanese American) in December 2017.
Union Thai Industrial Co., Ltd. manufactures and supplies industrial and automotive rubber belts worldwide under the SQUAREROPE brand — with full-line stock, technical guidance, and global delivery.

Who to contact
Sales, technical, quality — your request goes directly to the right person.
Quotes, orders, shipment tracking.
Provides quotes, processes orders, and tracks shipments — one direct contact.
Sizing advice, spec confirmation, issue handling.
Confirms specs, recommends compounds, and resolves technical issues.
Certification files, inspection reports, quality tracking.
Provides certification documents, coordinates inspections, manages QA follow-up.
Get a direct line
Specs, quantities, or replenishment — one direct line to the factory team.