Kingmate – Your Trusted Chinese Waterproof Bag Manufacturer Since 2009.With over 17 years of manufacturing excellence,Kingmate has established itself as a leading manufacturer of custom waterproof bags and packaging solutions in China. We partner with global brands to deliver high-quality, durable products ranging from waterproof gear and vinyl bags to custom non-woven promotional items. Our in-house production capabilities ensure superior quality control, competitive pricing, and reliable global shipping.State-of-the-Art Equipment for Precision & Quality.We control the entire production process with our comprehensive facility. Our advanced machinery—including automatic high-frequency welding,ultra-sonic sealing, and automatic die-cutting—allows us to produce consistent, high-quality ...