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Professional Aluminum BGA Assembly for inverter control
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Professional Aluminum BGA Assembly for inverter control

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The hole where the head of the fastener is partially or completely sunk into the PCB is called a Counterbore. The Counterbores of the PCB board are mainly used to fix the parts, and generally require screws. There are very strict requirements on the depth and size of the Counterbores on PCB, and its size must be limited within the tolerance range. Many factories can do this, but we can do a better job of controlling the accuracy of the hole depth by controlling the tolerance to ±0.2mm.


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Boyunfa is a printed circuit board  company, Located in Shenzhen,520 employees,16000 square feet, Who have offered  PCB Manufacturing Service for more than 10 years.With the state-of-the-art technologies we employ, along with our highly trained workforce we are able to ensure that every PCB we provide matches your design requirements.

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   Xueziwei Industrial Zone, Yabian, Shajing Street, Baoan District, Shenzhen.

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