When Dongwei tricycle is driving, what makes the cold and warm air turn on loudly?

The reason why the cold and warm air sounds when Dongwei tricycle is driving may be that there is something wrong with your filter element during the cold and warm period. It may be because the weather is too cold and the movement is broken and needs to be replaced.

Founded in 2005, Kunshan Dongwei is an equipment manufacturing enterprise integrating R&D, production and sales. The company aims at the deep research and development of PCB (printed circuit board) in plating equipment, with professional focus. The company is committed to pursuing the productivity of PCB industry, constantly improving PCB electroplating technology and providing advanced PCB plating equipment.

Based on the production of traditional PCB primary copper, recycled copper, nickel-gold electroplating, PTH, black oxidation and other equipment, the company promoted a new patented product-PCB vertical continuous electroplating (VCP), and gradually introduced a series of vertical continuous plating equipment related to it, taking the lead in realizing the standardization of VCP plating equipment design, production technology and industrial scale in the industry. Strive to provide PCB manufacturers with plating equipment with more stable performance, more advanced technology, simpler operation and more economical cost in a brand-new design way.