Weldy-AG Switzerland

simple. good. affordable.

Dedicated Website for the Australian market:

This website has been built for the local market of Australia. Distribution to you the end customer has been made simple to allow you to order and buy your Weldy tools online, in a safe secure web environment, for delivery straight to your door.


Weldy AG started its business activities in 1997 to complement the Leister Product Portfolio with simple Hot-air-Guns to serve the “Do- it-Yourself” markets. In 2007 Weldy enlarged its product portfolio by including functional plastic welding tools to serve the local requirements in China as well as to expand into “Emerging Markets” and into selective countries.

Functional Plastic Welding Tools:

Since 2004, all Weldy tools are manufactured according to the Leister standards for function and quality by Leister China. The location of Leister in Shanghai and its proximity to the key markets is a perfect match for Weldy to meet the customers’ requirements.

Today, Weldy has expanded its activities in China to develop, design and manufacture new products to enhance and simplify the customers needs according to our slogan – simple. good. affordable.

WELDY Product portfolio:

  • Hot-air guns for “Do-it-yourself” markets
  • Hot-air tools for universal uses and for shrinking
  • Hand extrusion welders
  • Automatic Welding tools and welding machines for the tarpaulins and billboards
  • Automatic Welding tools for the Roofing industry

Other Services:

  • Product demonstrations
  • Application advice
  • Welding testing
  • Technical support & service
  • Application and operator training
  • Repair

History timeline of “Weldy” & Leister China

  • 1980
  • First Leister Distributor with Sales and Service Center in Hong Kong
  • 1993
  • Leister booth at the China Plast plastics trade fair in Shanghai. Start of the formation of the Leister sales network in China with distributors
  • 2004
  • Founding of Leister Technologies Ltd., Shanghai: Competence Center for Production and Sales
  • The production of Weldy devices for do-it-yourselfers and Private Label is transferred from Switzerland to China.
  • Sales and Service of WELDY and Private Label products: Leister Technologies Ltd., Shanghai for China / Leister Switzerland for the world market
  • Staff 18 employees
  • 2005
  • New Weldy product line with functional plastic welding devices for China and Emerging Markets: simple – good – affordable.
  • Energy 1600 and Energy 3200 are the first hot air hand tools of the new product portfolio.
  • 2008
  • New Weldy product: Weldy Foiler automatic foil welder
  • Start of Direct Sales and Service in China for Leister Plastic Welding and Process Heat product lines.
  • 2009
  •  Start of Sales and Service in China for Leister laser systems for welding plastics
  • 2010
  • Opening of sales offices in Shenzhen, Qingdao and Chongqing
  • 2011
  • Start of sales of Axetris products in China
  • 2012
  • Relocation to a new office building with doubling of infrastructure space
  • Opening Ceremony for the new Leister Competence Center in Shanghai with Swiss Federal Council member Johann Schneider-Ammann
  • Start of Direct Sales in Xian
  • Staff 105 employees
  • 2013
  • Leister Technologies Ltd. expands the competencies in China and starts with Engineering for Weldy products
  • New Weldy products: Extrusion Welder Booster, Roofer Automatic Welder, Insta Foil Welder Machine
  • Opening of Sales Office in Chengdu
  • Start of Direct Sales in Changchun
  • 2014
  • Opening of Sales Office in Guangzhou

Certificate ISO 9001:2008

LTCN ISO certificate_en_valid until 20171122