Street Address: 202 - 203 East A, 525 Xixi Road, Hangzhou City, Zhejiang Province. China
City: Hangzhou
Province: Hangzhou
Country/Region: China
it is H13 grade, with 99.97% efficiency at 0.3 micron, true HEPA filter, good air permeability, also we can offer OEM manufacturing. we have OEM for many many famous company already, as well, we are offering our products to after-market. wish we will work in togather.