flexiable,depends on the water heater plastic panel design
Solder mask type
Green/yellow/black/red/white/blue or transparent photosensitive solder mask and peel off blue glue.
Silk legend color
White/ yellow /black
Data file format for OEM
GERBER file and corresponding drilling file,PROTEL series,PADS2000,POWERPCB series,
Data file format for ODM
Need product specification or datasheet,
Electricity performance & Reliability tests
EMC(Voltage dip test, EFT test, Withstand high voltage test, Current leakage test, Surge test), High & Low chamber test, Humidity test,Salt spray test,and life test.
Various types base material
High TG board, high frequency board(ROGERS,TEFLON) halogen-free board (FR-4,CEM-1,CEM-3)
Certifications
ISO9001:2008,ISO14001,SGS,ROHS; Products comply with REACH & RoHs.