Factory direct sales, product quality assurance, support retail and wholesale, interested in long-term cooperation and a large number of purchases, please contact us, we will reply within 24 hours. After sales product quality problems, please do not immediately complain, contact us, and we negotiate to solve. Since your feedback is very important to our business`s development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. Thank you!.syi