1. Mounting inaccuracy
2. Large error
1. Inappropriate soldering temperature
2. Insufficient welding time
1. Incomplete testing link
2. Inadequate product testing
1. Schematic design errors
2. Unreasonable PCB layout
1. Component quality problems
2. Long supply cycle
Establish a long-term relationship with reliable suppliers to ensure that the quality of components and delivery cycle meets the production requirements.

Zhejiang NeoDen Technology Co., LTD., founded in 2010, is a professional manufacturer specialized in SMT pick and place machine, reflow oven, stencil printing machine,
40+ global partners covered in Asia, Europe, America,Oceania and Africa, to successfully serve 10000+ users in all of the world, to ensure the better and faster local service and prompt response.
3 different R&D teams with total 25+ professional R&D engineers, to ensure the better and more advanced developments and new innovation.
Skilled and professional english support&service engineers, to ensure the prompt response within 8 hours, solution provides within 24 hours.
