av导航吧,十八禁试看120秒做受,A片毛片免费看,AV集中淫,夫妻乱伦3b,操成年人网站,美国操逼大全能看的,亚洲AV日韩AV 欧美在线观看,69热视频在线观看免费

Products
Resin products are polyurethane resin and polyester polyol two series, the companys annual production capacity has reached 70,000 tons and 20,000 tons respectively.
Location:Home> Products> Polyester polyol series

Product research and development

Product description

Product description

Note: This product manual is for reference only, in view of the formula, production process and application and many other factors, please test its applicability in advance, otherwise our company does not assume the relevant responsibility. In case of application problems, please feel free to contact us.

Technical parameter

Groic2JNQGm7-szD9C8Gfw.png