韩国性猛交╳xxx乱大交-18分钟处破好疼哭视频在线观看-91热爆视频-免费的毛片视频-亚洲国产中文曰韩丝袜-国产日产欧产精品精品推荐免费-男人扒开女人双腿猛进免费视频-九九在线视频-韩国美女视频黄是免费-国产精品亚洲a∨天堂-国产主播精品-国产精品成人嫩草影院-国产在线激情视频-精品国内自产拍在线观看视频-精品黄色-99精品欧美一区二区三区-免费黄色资源-免费体验区试看120秒-久久亚-欧美精品中文

● Description:

 Our company can produce and supply cast polyurethane elastomer, which has excellent chemical characters: oil resistant, ozone resistant, aging resistant, corrosion resistant, hydrolysis resistant, heat and cold resistant, etc. Also polyurethane has excellent physical characters: high tear resistant, high impact resistant, high elasticity, high load-bearing resistant, etc. Compared to rubber, plastic and other material, polyurethane offers perfect mechanical properties.

The company used advanced equipment and technology in the development and production of polyurethane elastomer products, process maturity. Polyurethane products mainly include: Polyurethane block of coal plates, polyurethane scraper, etc., to meet different customer needs, special orders can be made as drawing and sample.