Factory Promotional Rigid-Flexible Pcb - Green Soldermask flex-rigid Board | YMS PCB – Yongmingsheng

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We've been committed to offering easy,time-saving and money-saving one-stop purchasing support of consumer for Metal Core Pcb, Ceramic Fiber Board, Bare Pcb Fr4 Material, We feel that a passionate, ground breaking and well-trained workforce can create fantastic and mutually useful business associations with you quickly. Be sure to really feel totally free to contact us for more particulars.

Factory Promotional Rigid-Flexible Pcb - Green Soldermask flex-rigid Board | YMS PCB – 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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All we do is always involved with our tenet " Consumer initial, Trust first, devoting within the food stuff packaging and environmental defense for Factory Promotional Rigid-Flexible Pcb - Green Soldermask flex-rigid Board | YMS PCB – Yongmingsheng , The product will supply to all over the world, such as: Bahrain, Bahamas, Karachi, We are looking forward to cooperating closely with you to our mutual benefits and top development. We guaranteed quality, if customers were not satisfied with the products' quality, you can return within 7days with their original states.

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The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!