私人影院做爱视频,岛国女优av高清在线,我和亲妺婷婷在浴室作爱经过,女人和拘做受全过程免费,成人无码区免费AⅤ片WWW软件,亚洲AV无码国产成人久久强

current location: Home   >> Product >> Sight glass

Fluorine-butterfly sight glasses

詳情介紹

The product description

Lining fluoride is general subject is made of carbon steel precision casting or welding forming, made of rare materials 304. Then the inside lining of fluorine plastic (F46), lens to choose high quality toughened glass or tempered borosilicate glass, which has the best corrosion resistance and mechanical strength, and a beautiful shape, high strength, strong corrosion resistance characteristics. Fluorine-lined mirror has been widely used in petroleum, chemical, pesticide, dyeing, acid and alkali manufacturing industries, is the most ideal choice on the current anticorrosion pipeline.


峨眉山市| 桦甸市| 闸北区| 宁陵县| 常州市| 泊头市| 保德县| 夹江县| 无锡市| 金阳县| 乐清市| 镇远县| 武定县| 鸡东县| 理塘县| 冕宁县| 南靖县| 德令哈市|