Shenzhen Jujia Investment Development Co. Ltd, based in China, lists medical face masks on Global Trade Plaza. The company, established in 2013, offers products including Civil Child Masks, Five Layer Kn95 Mask, Five Layer Thickened Kn95 Mask, and Disposable Child Mask. These masks are described with specific details such as materials, sizes, weights, layer counts, colors, and intended applications. For example, child masks are sized at 145 mm x 95 mm and weigh about 2.25g per piece, while five-layer masks use PP non-woven fabric and melt blown filter with a size of 10.5x15.5cm and white color. Buyers can send an enquiry through Global Trade Plaza.