Dongguan Yunhai Technology Co., Ltd. is a factory specializing in the production of household appliances, student stationery and outdoor sports goods. We have more than ten years of oem odm experience. Our main products include vacuum sealer, hydrogen oxygen machine, student stationery, diving mask, diving bag, etc. We Our products are exported to more than 100 countries around the world, and they are very popular locally. Our products have been certified by CE SGS. Our belief is that quality is life, and we look forward to cooperating with you.