About Us & Our Advantages

WELTER – SEA CO., LTD

Our products range covers items like a single pinion, a bevel gear set, a planetary stage, a completely reverse-engineered gear unit,
to a complete machine. We provide replacement parts and completely new gearboxes to substitute original parts and old gear units,
independent of original brands. We have been active in Thailand for several years, We serve customers in nearby Southeast Asian countries.

About us

  • We are an ISO 9001 certified Thai engineering and trading house specialized in gears, gearboxes and mechanical power transmissions for industries.
  • We serve customers in heavy an advanced industry. Our sales territories are Thailand and occasionally nearby Southeast Asian countries.
  • In 2011 we started out as the representative of WELER Zahnrad GmbH and CAVEX GmbH & Co. KG from Germany. We have been working successfully with WELTER and CAVEX, both are still our highly thrusted suppliers.
  • We supply reverse-engineered or generic products that are 100% interchangeable to original parts. Our products are made from manufacturers in Europe and Asia.
  • Over the years, in order to keep up with rapid changes in market demands and segmentations, we have grown to become the supplier of gear products and mechanical drive solutions independent of brands.
  • On the other hand, for the benefit of our customers, we try to keep up competition in the markets by bypassing some local distributors, we provide procurement services of some famous makes of mechanical drive components, especially European ones.
  • We are very flexible on the supply side, products of different global origins can be sourced or manufactured according to required technical specifications, with competitive quality, delivery time and prices.
  • On sectors like mining and steel, we have become a specialized trader of key components and wear parts.
  • On the service side, we have a workshop for repairing and overhauling of gearboxes and drive components. We use test benches for no-load rotational gearbox testing.

Our Advantages

  • Technically oriented, independent of brands.
  • Focus on industries & applications. Understanding of customers’ processes and operations.
  • Practical, hands-on approach, knowledge-based organization. Accumulations of machinery and gearbox database.
  • Competitive pricing, technical specifications and delivery, with availability of choices for customers.
  • 3D mobile CMM measurement for reverse-engineering of gears and mechanical parts. Gear calculations using modern software tools. Inspection of sample parts for geometries, profiles, material compositions and other properties such as and hardness, roughness and dimensions. Preparation of drawings for production with full technical specs and precise gear, heat treatment and dimensional tolerance data. Final quality assurance with full documentations.
  • Worldwide cooperation with manufacturers, suppliers, engineering consultants and service providers.
  • Experienced local engineering and service personnel, foreign specialists are also available.
  • Able to do overseas onsite services.
  • Direct control of logistics by using international forwarders to handle inbound and outbound of shipments; inland, air and sea.