Ningbo Wellmedlab Co., Ltd.
Trije-manifold is makke fan stopkraan-lichem (makke troch PC), kearnklep (makke troch PE), Rotator (makke troch PE), beskermjende kap (makke troch ABS), Screw cap (makke troch PE), ien-wei ferbining (makke troch PC + ABS).