Siyundi factory are specialized in exporting all kinds of water bottle , tumblers, cup ,mug and related accessories , etc. . Our sales have 10 years experience and are professional in this field. We have engineers with 9 years experience. The production materials available are plastic including PP, PE, Tritan, acrylic, PCTG, AS, etc, silicone, glass, stainless steel . All of them are edible safety grade materials, compliant with European and American food safe standards and Can be detected by a third party. We have advanced production lines.Now, there is a total of 12 QC inspectors to assure quality. We deliver your off-the-shelf and OEM orders in 8 to 30 days. We have In-house designers team and experienced R&D team ,independently develop new products every year. Our products are Stable Quality. Innovative Design. Excellent after-sales service and Fast Shipment. We are prepared to be your solid partner.