Patent Picture Patent No. Patent Name Patent Type Available Date --- Expired Date Verified ZL201520480040.0 PLASTIC SLIDER INVENTION 2015-07-01 ~ 2025-07-01 Verified ZL201520480013.3 PLASTIC SLIDER INVENTION 2015-07-01 ~ Verified ZL201520464766.5 PLASTIC ZIPPER INVENTION 2015-07-01 ~ Verified ZL201520476714.X PLASTIC SLIDER INVENTION 2015-07-01 ~ 2025-07-01 Verified ZL201520470831.5 PLASTIC ZIPPER INVENTION 2015-07-01 ~ Verified Research & Development There is/are 11 - 20 People R&D Engineer(s) in the company.