Factory Cheap Hot Rigid-Flex - Online Exporter SGS approved customized 94v0 FPC RoHS Flex Circuit Board Flexible PCB Manufacturer – Yongmingsheng

Our primary target will be to provide our clients a serious and responsible small business relationship, supplying personalized attention to all of them for Online Exporter SGS approved customized 94v0 FPC RoHS Flex Circuit Board Flexible PCB Manufacturer, We welcome shoppers everywhere in the word to call us for long run small business associations. Our solutions are the top. Once Selected, Excellent Forever!
Our primary target will be to provide our clients a serious and responsible small business relationship, supplying personalized attention to all of them for , Aiming to grow to be by far the most experienced supplier within this sector in Uganda, we keep researching on the creating procedure and raising the high quality of our principal items. Till now, the merchandise list has been updated on a regular basis and attracted customers from around the globe. Thorough data can be obtained in our web page and you’ll be served with good quality consultant service by our after-sale team. They’re about to allow you to get complete acknowledge about our products and make a satisfied negotiation. Small business check out to our factory in Uganda can also be welcome at any time. Hope to obtain your inquiries to get a happy co-operation.

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.