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Linlong

Enterprise Environment

Our modern factory, opened in March of 2015, covers an area of 13,072.86 square meters. We have also purchased a large number of cutting-edge production equipment, such as Yamaha high speed placement equipment and four automatic assembly lines. Now, we are capable of producing 1,000 standard welding machines per day.

 

We are able to finish all production procedures independently in accordance with RoHS standards, which include metal machining (laser cutting, plate shearing, punching, bending), printed circuit board manufacturing (SMT placement, components plugging in, testing), welding machine accessories processing and welding machine assembling (debugging, aging, welding testing, testing), etc.

Metal Machining Workshop

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Our metal machining workshop is equipped with a large amount of highly advanced machining equipment, including a CNC punching machine, punch press, laser cutting machine, and plate shearing machine. These machines enable quick metal plate processing and sample production. This way, the time spent of development and manufacturing is reduced significantly.

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Our metal machining workshop is equipped with a large amount of highly advanced machining equipment, including a CNC punching machine, punch press, laser cutting machine, and plate shearing machine. These machines enable quick metal plate processing and sample production. This way, the time spent of development and manufacturing is reduced significantly.

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The CNC punching machine is used to process some of the metal plates, especially epoxy plate. It also features great machining accuracy, which further improves the consistency of our products.

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The punch press is utilized for machining of some metal plates. With high machining accuracy, it is able to ensure quick machining and forming processes.

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The high speed punch press is used for machining silicon steel sheets on the inverter. It features high machining efficiency, low labor intensity and great stability, thus ensuring superior quality of the accessories obtained.

PCB Manufacturing Workshop

PCB Module Placement Area
Our printed circuit board (PCB) manufacturing workshop was established for assembling PCB and PCB modules. Each PCB will go through a rigorous and comprehensive inspection process including self-inspection, mutual inspection, routing inspection and finished product spot checking to ensure the superior quality of the finished PCB components.

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  1. During the manufacturing process, we set up different stations for component plug-ins, chip mounting and repair welding for finer control of processing quality of each step.
  2. The first piece obtained at each station needs to go through first article inspection, be inspected by the production personnel themselves and then be re-inspected by quality assurance division
  3. When the manufacturing process is complete, the final PCB will go through visual inspection and then be tested for performance indexes when charged with electricity.
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Our placement machine will automatically mount those surface mount technology (SMT) components onto the PCB with high speed and high accuracy.

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The automatic insertion machine efficiently inserts those electric components into the PCB in a standardized way, improving assembly density and anti-vibration capacity of the PCB and reducing production cost at the same time.

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The insert line for manual component insertion on the PCB is utilized for manufacturing manual inserted components, wave soldering process and repair welding of the PCB. Visual inspection and test of performance indexes when charged with electricity need to be conducted when manufacturing is finished.

Assembly Workshop

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Our assembly workshop covers an area of more than 10,000 square meters. There are three automated assembly lines and more than 200 professional personnel working hard to complete high quality production processes. The daily output is 1,000 sets of standard machines.

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Durability test will be conducted on the assembled welding machine when it is loaded.

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After assembly, we will adjust to see how all these welding match and if whether each performance parameter works as expected.

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After assembly, we will test the welding performance of the machines, also called test welding.

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