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Company profile

Technology keeps pace with the world

Zhejiang Laoshidun Technology Co.,Ltd. was founded in 2001, There’s 50,000-square-meter factory area and 85,000-square-meter building area with over 500 workers which includes doctors,masters and senior professional and technical personnel more than 100.

Our company is located on the Yueqing bayside of Zhejiang Wenling and in the coastal town of Wugen with outstanding people, beautiful scenery and a profound cultural background, which is near to Ningbo-Taizhou-Wenzhou Expressway, Taizhou Airport, Wenling Train Station, relying on Ningbo port and Haimen port. The land and water transportation is very convenient.


As a modern high-tech enterprise, we combine the modern culture and science revolution, make and produce series of welding equipment, air compressor, water pump professionally.The four brands of “Laoshidun”“JMS”“Nanjing Jiebao”“Shanghai Renmin” enhance each other’s beauty. Our products are widely used in the fields of energy pipelines, cars, ships,boilers, electric power construction, military project, industrial installation and bridge construction. The application of DIY welding machine outshines especially.


The application of DC inverter MMA welding machine, DC inverter TIG welding machine, inverter AC/DC TIG welding machine, MIG/MAG/CO2 gas shielded welding machine, Air plasma cutter,MMA/TIG/CUT versatile welding machine,AC arc welding machine and Vehicle Battery Chargers, make the series of welding equipments high-tech, brand new,accurate, comprehensive, and leads to 20 series and over 100 items, with great annual output of 100,0000 sets. From our series of portable direct driven compressor, quiet oil free compressor, Auto maintain air compressor, belt piston air compressor, we develop the human-caring idea of energy conservation and environmental protection,safe and convenient. Our products are well sold in Europe,America, Asia Pacific region and also China.


The president Mr. Yang Changrong dedicated the past decade to the brilliant achievements of welding equipments. Our “steersman” Mr. Cai Chaohui immerse himself in research and development of air compressor equipment for more than 20 years, it shows that our company is devoting to make standard products, create customer values and conception of happiness. What’s more, we set off a revolution of safe,convenient, environmental, humanizing welding equipment and air compressor, becoming one of the representatives of industry leader. 

We implement strict quality control measures in our production process in accordance with ISO9001:2000 standards, ISO14001 environmental management system and carry CCC,CE, GS and ROHS marks. We organize and push the implement of lean manufacturing, carry through ERP management system, improve management efficiency by using information management technology.


Top technical personnel is employed for product develop, design, craft and quality, Synthesize the most advance technology and test standard,we develop safe, practical, energy-saving, environmental and fabulous new products. We will integrate the concepts of environmental protection, safety, hominization into protecting the nature. A lot of series have achieved patent certificates issued by the State Intellectual Property Office one and another, it makes our brand “Laoshidun” make common progress with the international brands.


Zhejiang Laoshidun Technology Co.,Ltd. has become the leader of welding field, depending on “digitization, simplify, modernization”,guarding the value of “the virtue leads to success”. In the sincere team spirit, we will continue to lead the industry trend, create environment-friendly products, make a happy enterprise and promote the pursuit of human civilization with our golden quality.


Responsibility carries the quality, reputation relates to the brand. We warmly welcome you, look forward to working with you for your cooperation!


National toll-free: 400-186-3888

Add: Xiacheng Mechanical Industrial Zone,Wugen Town,Wenling City, Zhejiang, China.
Sales hotline:
Fax: 86-576-86906851


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