Shenzhen Smile Technology Co.,Ltd is a professional manufacturer of teeth whitening products, Such as teeth whitening LED mouth tray, teeth whitening syringe gel, teething whitening pen gel,teeth whitening charcoal powder,teeth whitening kit,beauty mask etc. In the teeth whitening field for over 10 years, We have our own dust free lab and professional researchers to offer you with technical consultation about dental materials. We have quite strict production management system, covering raw material quality control, production formula control, filling test and finished product quality test to provide you with high quality products. OEM & ODM services are all available for us. Our sales team and design team can offer you the product and design suggestion. If interested in us, please feel free to contact us by email or by phone. Thank you.