Discount wholesale Bare Pcb Fr4 Material - 4Layer Immersion Gold FPC | YMS PPCB – Yongmingsheng

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"Based on domestic market and expand abroad business" is our progress strategy for Metal Pcb, Cob Alloy Aluminium Pcb, Oversized Pcb, For additional queries or should you might have any question regarding our goods, make sure you do not hesitate to call us.

Discount wholesale Bare Pcb Fr4 Material - 4Layer Immersion Gold FPC | YMS PPCB – Yongmingsheng Detail:

Immersion Gold

The optimal process conditions were as follows: gold salt concentration (in gold terms)1g/L, organic amine concentration 0.2 mol/L, citric acid 5g/L, operating temperature 50-60℃, solution pH value 9 ~ 10, time control in 5-10min. Under this condition, the effect of chemical deposition is stable, and the color, uniformity and binding force of the deposited gold layer can meet the technical requirements of PCB industry. There is a Study suggests that mainly containing gold chloride acid and organic amine component without cyanide plating liquid system, not only from a technical point of view to meet today’s requirements of PCB industry to the chemical zedoary process, and from an environmental point of view to achieve the replacement of highly toxic chemicals, can significantly reduce the harm to environment, is a kind of has a broad application prospect of environmental friendly process.

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Persisting in "High quality, Prompt Delivery, Competitive Price", we have established long-term cooperation with clients from both overseas and domestically and get new and old clients' high comments for Discount wholesale Bare Pcb Fr4 Material - 4Layer Immersion Gold FPC | YMS PPCB – Yongmingsheng , The product will supply to all over the world, such as: Sheffield, Indonesia, London, Besides there are also experienced production and management , advanced production equipment to assure our quality and delivery time , our company pursues the principle of good faith, high-quality and high-efficiency. We guarantee that our company will try our best to reduce customer purchase cost, shorten the period of purchase, stable solutions quality, increase customers' satisfaction and achieve win-win situation .

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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 Katherine from Gambia - 2018.09.23 17:37

This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.

By Christina from panama - 2017.11.01 17:04

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