人人妻人人妻人人妻,一本乱码五月婷婷中文字幕,国产真人作爱视频免费

Houshi Chemical is a platform company focusing on promoting copolyester materials. Because copolyester has excellent mechanical properties and green environmental protection characteristics, it has a broad application space in food packaging and food containers. PCTG and PETG are the two most widely used materials in the copolyester family, and they are also the key promotion targets of Hoishi Chemical. The parent company of Houshi Chemical was established in 2010, and has accumulated a lot of experience with the two materials PCTG PETG from birth to market recognition for 12 years. In the next 10 years, we will be committed to building a global PCTG, PETG distribution center, one-stop solution to supply chain problems for the food container and food packaging industry!