亚洲欧美丝袜精品久久中文,亚洲精品中文字幕久久,国产高清在线精品一区二区,亚洲日本欧美一区二区三区

The following products are custom-made medical silicone tubes.The raw materials are imported Shin-Etsu silicone.In addition, the company currently has automatic tube cutting machines that can cut arbitrary lengths for customers, with the advantages of high accuracy and high efficiency.