国产小视频a,福利在线白白,wwwxxxx免费,特级三级黄色片,一级视频在线观看免费,免费一级做a爰片性视频,毛片综合

● 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