4 layers PB-free HAL gold finger PCB

4 layers PB-free HAL gold finger PCB 1. This is 4 layers PB-free HAL gold finger PCB, RoHS compliant. 2.Our factoryis a professional manufacturer integrating the R&D, production and sale of various electronic products. 3. Our main products: single-sided, double-sided and multilayer high-precision circuit board (mobile phone PCB), PCB assembly, mini speaker, cordless headset, and so on. 4. We have been engaged in this industry for more than eight years. We have our own R&D team of 30 persons and more than 300 employees. 5. The output is 20,000 square meters per month, 65% of our products are exported worldwide, especially North America, South America, Europe, Southeast Asia, etc. 6. We have introduced advanced equipment and professional management staff, making 99% product satisfaction.