Lint-Free Wipes from China Leading Cleanroom Wipers Manufacturer - Chenigen. We are an ISO 9001 and ISO 14001 certified manufacturer of Cleanroom Supplies in Suzhou of China, with certified ISO 4 and ISO 6 workshops and laboratory. Produce both Polyester and Microfiber Wipers, Polyester-Cellulose Wipes to meet Class 1000-10 (ISO 4-6) cleanroom requirements. We also manufacture ESD/Anti-Static Swabs, Apparels and Other Cleanroom Supplies, Face Masks.