久久伊99综合婷婷久久伊,一边摸一边做爽的视频17国产,3d动漫精品啪啪一区二区下载,欧洲大肥女bbw

Pre service

1, customers can conduct a variety of technical and business consulting

2, provide all kinds of relevant information (VCD brick site, enterprise directory, feasibility report, etc.)

3, the site provides the relevant information download

4, according to the customer's location to provide the nearest visit our site to make brick production line

Sale service

1, guide the construction and production process layout, equipment installation foundation construction requirements

2, free installation, commissioning and training of production operators

After-sale service

1, mechanical free warranty for one year, life-long maintenance

2, long-term supply of various spare parts, mold