國外源頭采購供應以下產品：
瑞士堪泰
CONTRINEX
瑞士科瑞
進口高溫接近開關
DW-HD-611-M50-516 M50-230-25 ND25-H1-M50-5MT
DW-HD-613-M50-516 M50-230-25 ND25-H3-M50-5MT
DW-HD-611-M50-517 M50-230-25 ND25-H1-M50-10MT
DW-HD-613-M50-517 M50-230-25 ND25-H3-M50-10MT
DW-HD-611-M50-518 M50-230-25 ND25-H1-M50-20MT
DW-HD-613-M50-518 M50-230-25 ND25-H3-M50-20MT
DW-HD-601-M12-200 BD3-H1-M12-150
DW-HD-603-M12-200 BD3-H3-M12-150
DW-HD-611-M12-200 ND4-H1-M12-150
DW-HD-613-M12-200 ND4-H3-M12-150
DW-HD-601-M18-310 BD5-H1-M18-2MT-180
DW-HD-603-M18-310 BD5-H3-M18-2MT-180
DW-HD-601-M18-411 BD5-H1-M18-2MT-230
DW-HD-603-M18-411 BD5-H3-M18-2MT-230
DW-HD-611-M18-310 ND8-H1-M18-2MT-180
DW-HD-613-M18-310 ND8-H3-M18-2MT-180
DW-HD-601-M30-310 BD10-H1-M30-2MT-180
DW-HD-603-M30-310 BD10-H3-M30-2MT-180
DW-HD-601-M30-411 BD10-H1-M30-2MT-230
DW-HD-603-M30-411 BD10-H3-M30-2MT-230
DW-HD-611-M30-310 ND15-H1-M30-2MT-180
DW-HD-613-M30-310 ND15-H3-M30-2MT-180
DW-HD-611-M30-411 ND15-H1-M30-2MT-230
DW-HD-613-M30-411 ND15-H3-M30-2MT-230
DW-HD-601-M50-300 BD20-H1-M50-2MT-180
DW-HD-603-M50-300 BD20-H3-M50-2MT-180
DW-HD-601-M50-411 BD20-H1-M50-2MT-230
DW-HD-603-M50-411 BD20-H3-M50-2MT-230
DW-HD-613-M50-300 ND25-H1-M50-2MT-180
DW-HD-611-M50-300 ND25-H3-M50-2MT-180
DW-HD-613-M50-411 ND25-H1-M50-2MT-230
DW-HD-611-M50-411 ND25-H3-M50-2MT-230
DW-HD-613-M50-502 ND25-H3-M50-10MT-230
DW-HD-613-M50-509 ND25-H3-M50-15MT-230
DW-HD-613-M50-503 ND25-H3-M50-20MT-230
DW-HD-613-M50-412 ND25-H3-M50-5MT-230
DW-HD-613-M30-503 ND15-H3-M30-20MT-230
