Purchase Qty. Reference FOB Price
100-999 Pieces US$9.00
1,000-4,999 Pieces US$8.00
5,000-9,999 Pieces US$7.50
10,000+ Pieces US$6.88
Product Description
Product description: Antifreeze valve internal flame state, can accurate perception water temperature, opening and closing without any power supply work. With the loss of the environmental temperature, frost valve opens when water temperature is close to freezing point, the system of low ...