35um copper finish double-sided layer latest custom solder mask HASL Chinese FR4 circuit board supplier with UL ISO standard qualified

35um copper finish double-sided layer custom solder mask HASL Chinese FR4 circuit board supplier with UL ISO standard qualified

ENIG 35um copper finish double-sided layer custom solder mask HASL Chinese FR4 circuit board supplier with UL ISO standard qualified

double-sided layer blue solder mask HASL Chinese FR4 circuit board supplier with UL ISO standard qualified

single-sided layer green solder mask HASL Chinese FR4 circuit board supplier with UL ISO standard qualified

Multi-layer custom solder mask HASL Chinese FR4 circuit board supplier with UL ISO standard qualified

HASL Multi-layer custom solder mask HASL Chinese FR4 pcb main board supplier with UL ISO standard qualified

HASL double-side custom solder mask HASL Chinese FR4 pcb main board supplier with UL ISO standard qualified

custom shape HASL double-side custom solder mask HASL Chinese FR4 pcb main board supplier with UL ISO standard qualified

custom shape HASL double-side green solder mask HASL Chinese FR4 pcb main board supplier with UL ISO standard qualified

Gold Finger Rigid Bare PCB Printed Circuit Board

Min. space between Gold finger and Tab is 3.4mm. More details refer to the following table.

Multilayer PCB Board Halogen Free for Telecommunication

Base laminate we mainly used is KB,Shengyi brand. Halogen free,High TG,CTI≥600 are available. All materials are compatible with certificates UL,Rohs,Reach.