Factory wholesale Single Layer Fpc - Immersion Gold,Blue Soldermask flex-rigid Board | YMS PCB – Yongmingsheng

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Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value "unification, dedication, tolerance" for 3mil Printed Circuit Boards, Flex-Rigid, Single Layer Pcb, We are looking forwards to establishing long-term business relationships with worldwide customers.

Factory wholesale Single Layer Fpc - Immersion Gold,Blue 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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"Sincerity, Innovation, Rigorousness, and Efficiency" will be the persistent conception of our company to the long-term to establish together with customers for mutual reciprocity and mutual gain for Factory wholesale Single Layer Fpc - Immersion Gold,Blue Soldermask flex-rigid Board | YMS PCB – Yongmingsheng , The product will supply to all over the world, such as: Bangladesh, Denver, Czech Republic, We confirm to public, cooperation, win-win situation as our principle, adhere to the philosophy of make a living by quality, keep developing by honesty , sincerely hope to build up a good relationship with more and more customers and friends, to achieve a win-win situation and common prosperity.

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The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.

By Austin Helman from Lahore - 2018.10.09 19:07

The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.

By Michaelia from United Arab Emirates - 2017.11.20 15:58

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