Has Anyone Heard Of 'Stack' TPMS Brand Sensors

[orangeglow]

http://www.jmautoracing.com/images/catalog/products/pr_images/4aa9c921-d475-468c-a7be-e1865bbbb541-800.jpg

[TPMS Guru]

I've never heard of them before. There are a lot of TPMS sensors manufactured in China. These could have been rebranded from another company.