... service 4.Delivery on time We adhering to the spirit of "technological leadership, integrity and service, perfect ... , high efficiency and sincerity to the enthusiastic services to meet the request of domestic and foreign customers. Feature: ... -61,ect4.Cavity QuantitySingle/Multi-cavity5.Plastic Part MaterialPA,POM,ABS,PP,PC,PET,PVC, ... ' requirements Precision plastic injection part of Medical Mask