1. Ultra-thin, Regular, Super Absorption 2. blue/ green chip 3. BV, CE, OEM services 4. good service and fast delivery... *BRIEF INTRODUCTION OF HECHENG: -ISO9001:2000 certified manufacturer of 15-years-old history-producing and selling sanitary napkins & baby diapers, etc -Sanitary Napkins: 155, 180, 240, 270,280,295, 320, 330 mm -Baby Diapers: S, M, L, XL-Packaging: Transparent bag, plastic bag ...