2017 Good Quality Specializing Thermometer Pcb - OEM Manufacturer Shenzhen Precision Circuit Board ,Metal Detector Pcba One-stop Services – Yongmingsheng

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Copper base Board production process

• Provide the copper plate have pretreated
• UV ink is printed on the bending part of copper plate
• The surface of copper plate is browned by using browning liquid
• Press and drill copper plate covered with UV ink
• Electroplate the first finished product
• Make outer layer on copper plate
• Solder mask printing on copper substrate
• V – CUT the second finished product
• The bending position of copper plate is surface treated and the finished product is obtained
• Check up case ,packing and shipping

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