After about 15 days of moulding, preparing rubber raw materials, and starting to produce samples, and after strict quality inspection by our quality control department, we finally rushed to express the samples of White Silicone rubber O-rings to our American customer Ken before the prescribed time of delivery. After obtaining our samples of silicone rubber O-rings, Today, Our old friend Ken expressed his satisfaction with the samples and asked us to follow the samples immediately. Quality starts mass production of the products on the order! Thank you very much for your support. We will ensure that the quality of the order is completed in time according to the requirements of the order.