YFTL-1200-5 Five heating zone vacuum tube

YFTL-1200-3 three heating zone vacuum tube

YFTL-1200-2 Doulbe heating zone tube

YF1700BL Bottom Loading Elevator Furnace

YF1800BL elevator bottom furnace

1200C crucible furnace top loading furnace

1400C mini lab furnace

Mini 1700C furnace 1L 4"x4"4"

1400C sliding double-zone slide RTP furnace

YFTL-1200M multi position tube furnace