WONISI’s water bottles/tumblers and accessories will be regularly sent to authoritative quality inspection agencies for testing, and the products materials and specifications that meet the standards will be used as production standards. WONISI’s water bottles/tumblers can be sold normally in all markets. The main certification registration or standards include: BSCI, FDA (USA), LFGB (Germany), CE (European Union).

የምርቱን ብቁነት ለማሳየት ልዩ የሆነ የምርት ሙከራ ሪፖርት እንዲኖርዎት ከፈለጉ፣ WONISI የውሃ ጠርሙሱን/ታምፕለርን በድርጅትዎ ስም ለመመርመር እና ከኩባንያዎ ደብዳቤ ጋር የፈተና ሪፖርት ማግኘት ይችላል።