Shenzhen Tianshengxin Technology Co., Ltd. is an experienced manufacturer specialized in the research, development and production of armband, waterproof case, Gym bag and backpacks Though established in the year of 2013, we have an experienced research and develop team to design the goods according to your requirements. And we have many kinds of model for you to choose from. As a result, we are able to do OEM, OEM orders, and finish the sample within 5 days and small order (less than 100 pcs) within 7 days. Our products sold well around the international markets. We have a QC department which has 3 years of experience. They implement a six step Q C process and strictly inspection on each item to ensure the quality. Accordingly, we have reached the qualified rate over ninety percent.We have a professional service team, which know the products well and able to handle all inquiries within 3-10 hours from Monday to Saturday, and arrange normal orders within 5 working days. In return, over 85% of our clients keep placing repeated orders with us. Therefore, we sincerely invite all buyers from the world to visit our website or contact us directly for further information. And visiting our factory is highly welcomed.We look forward to supplying you with our products and offering you our service in the near future.