https://en.gongdong.com/products/specimen-collection-containers/ Specimen Collection Containers Manufacturing GongdongTM specimen Collection system, including varieties of containers, tubes and traps, is intended to be used in clinical lab according to the instructions provided for collection, preservation, transport and storage of dry or wet body fluids specimens, which would alleviate mess and exposure and avoid crosss contamination in urine, fecal or mucus collection and sampling.