Test instruction of how to test iron powder heat pack,
Should be having enough air to activate the heat pack and keep heat in isolated area, in stable environment.
Contact: Martin Agu
Phone: +86-13812628497
Tel: +86-512-62533596
Email: martin@suzhoumate.cn
Add: Room 102, Building 8th, Shao Shan Garden, No. 315,Industrial Park,Suzhou Avenue West, Suzhou, Jiangsu, China.