国产v亚洲v天堂无码,三年片在线观看免费观看大全动漫,欧美爆乳乱妇高清免费,伊人久久大香线蕉综合电影,日本道免费精品一区二区,成人一区二区三区,国产无码高清视频不卡,国产精品成人一区二区三区视频,午夜欧美精品久久久久久久,国产精品亚洲成在人线

Features ：PA66+35%GF、deformation and sealing requirements

This product used in heavy duty truck D20 engine cylinder head, the assembly relationship requires very hign, forming by PA66+35%GF,the biggest deformation more than 14mm,after predeformation adjusting, the whole product profile tolerance in ±0.5mm, all the screw hole position ±0.3mm, tolerance on shape and dimension ±0.2mm, overall flatness 0.3/100.