欧美性爽视频,美国三级日本三级久久99,国产伊人精品,久久久中精品2020中文,女人扒开屁股让男人桶30分钟

● 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. 

Relate products