国产成人福利在线观看,婷婷色中文字幕,黄色91免费看,大尺度女同未删减电影,梁朝伟色戒完整版电影,老婆大人80后电视剧在线观看,免看**毛片一片成人不卡

PU Injection Machine and Bridge Cutting Machine
For processing and producing thermally insulating aluminum profiles, this equipment has two main parts: PU injection machine injects the raw materialinto the groove of aluminum profiles, after the material cured, the bridge cutting machine cuts off the bridge; Then, the aluminum profiles obtain the functions such as heat insulation, etc. (The PU material is thermal insulation material)
Comparing with old aluminum profiles, the new one has wonderful heat insulation funetion, and mueh much stronger, especially could save a lot of cost.