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Super Lowest Price Heat Insulation Ceramic Fiber Board - HDI Green Soldermask flex-rigid Board – Yongmingsheng

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Our goal is usually to deliver high quality items at aggressive price ranges, and top-notch service to shoppers around the entire world. We're ISO9001, CE, and GS certified and strictly adhere to their high quality specifications for Single Layer Pcb , Bare Led Printed Circuit Board , Fr4 Ultra-Thin Pcb , We cordially welcome shoppers from in the home and overseas to hitch us and cooperate with us to enjoy a better future.
Super Lowest Price Heat Insulation Ceramic Fiber Board - HDI Green Soldermask flex-rigid Board – Yongmingsheng Detail:

Immersion Gold

Immersion Gold is the method of chemical deposition, through the chemical REDOX reaction to generate a layer of coating which is generally thick, is a chemical nickel gold layer deposition method, can achieve a thicker gold layer.

The process of Immersion Gold on the surface of printed circuit is characterized by stable color, good brightness, smooth coating and good weld ability. Basically, it can be divided into four stages: pre-treatment (oil removal, micro-corrosion, activation and leaching), nickel precipitation, gold precipitation, post-treatment (waste gold water washing,DI washing, drying), gold precipitation thickness between 0.025-0.1um.

Gold used in the surface treatment of circuit boards, because of its strong electrical conductivity, good oxidation resistance, long life, general applications such as keypad, gold finger board.


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We continuously execute our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management advertising and marketing gain, Credit history attracting buyers for Super Lowest Price Heat Insulation Ceramic Fiber Board - HDI Green Soldermask flex-rigid Board – Yongmingsheng , The product will supply to all over the world, such as: Denmark , Morocco , Dubai , We firmly think that we have the full capability to give you contented merchandise. Wish to collect concerns within you and build a new long-term synergy romantic relationship. We all significantly promise:Csame excellent, better selling price; exact selling price, better quality.
  • This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Erin from Atlanta - 2017.06.25 12:48
    Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By Sandra from Vietnam - 2017.01.28 19:59
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