Introducing the HITBOX Gas Gasless MMA MIG TIG Synergic 3 in 1 HBM1200 Mag 160 AMPS MIG Welding Machine, a versatile powerhouse designed for all your welding needs.






Shenzhen Defulong Technology Co., Ltd is a leading professional manufacturer of welding machines. With 9 years of dedication and relentless efforts, we have established ourselves as a dominant force in the domestic market and gained significant international influence in welding power sources and accessories.
We boast both welding machine and torch factories and operate a Professional Trading Company to efficiently manage our export business.
At Shenzhen Defulong Technology Co., Ltd, our principle is 'Customer First and Quality Life.' Our expert R&D and sales teams excel in OEM and ODM cooperation in export business, catering to Asian and European quality standards, including RoHS compliance. Most of our products come with CE certification. We provide tailored welding solutions and products for various conditions such as high or low voltage, high or low temperatures, and different market demands ranging from heavy-duty to DIY.
and deliver exceptional customer service to our clients.


Through years of dedication and hard work, we have transformed into a globally recognized enterprise in welding power sources and accessories. Our products reach over 70 countries across five continents, including North America, Europe, the UK, Japan, India, and Southeast Asia. With ample reserves in many regions, we ensure rapid shipment and delivery to our customers.
We proudly own the HITBOX brand with registered trademarks in North America, Europe, and Southeast Asia. Our diverse product range includes portable DIY welding machines, all-digital MIG, MMA, TIG machines, all-digital plasma cutting machines, and multi-function precision submerged arc welding machines. These machines support various voltages from single-phase 120V/110V/220V to three-phase 380V~415V. They are widely applied in household DIY, steel structures, petroleum, shipbuilding, chemical industry, electric power, and metallurgy, capable of welding and cutting carbon steel, stainless steel, aluminum, and more.
Our company's core purpose is 'Customer First, Quality for Life.' We are committed to providing high-quality products and exceptional services, ensuring that our customers receive the most cost-effective, high-end solutions that meet their requirements.