Alwsci 5mm 300UL Micro Glass Vial Connical Bottom with Plastic Spring Insert

China Alwsci 5mm 300UL Micro Glass Vial Connical Bottom with Plastic Spring Insert, Find details about China Micro Insert, 250UL Micro Insert from Alwsci 5mm 300UL Micro Glass Vial Connical Bottom with Plastic Spring Insert