Factory wholesale Silica Ceramic Fiber Board - OEM Manufacturer Shenzhen Oem Fpc Customized Fpc Cable – Yongmingsheng

We now have several exceptional workers customers good at marketing, QC, and working with types of troublesome trouble during the creation system for OEM Manufacturer Shenzhen Oem Fpc Customized Fpc Cable, If you have the requirement for any of our products, please contact us now. We are looking forward to hearing from you soon.
We now have several exceptional workers customers good at marketing, QC, and working with types of troublesome trouble during the creation system for Customized Fpc, Fpc Cable, Oem Fpc, After 13 years of researching and developing products, our brand can represent wide range of products with outstanding quality in world market. We have completed big contracts from many countries such as Germany, Israel, Ukraine, United Kingdom, Italy, Argentina, France, Brazil, and so on. You probably feel secure and satisfy when copperate with us.
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.