???????Perennial partners:The second construction company of sinopec,The fourth construction company of sinopec,The fifth construction company of sinopec,SEPCOIII Electric power Construction Corporation,Beijing construction engineering group,Longxin group,ChinaRailwayEngineeringCorporation,TCC,China National Chem.ENGG.NO.7 Construction Co.Ltd.
???????Based on honest business philosophy to provide professional services to other people.,with powerful service team as back force,MC has established its distinctive famous brand. the pursuit of perfect and flexibility,we could build a win-win cooperation ."> 五月香六月婷婷激情综合,国产一区二区四区在线观看

日本强奷中文字幕在线播放,日韩精品一区二区三区色欲AV,久久亚洲99精品无码中出,69精品人人搡人人妻

Product Center

   

Life Jacket




1.適用于不同種類的 沿海和內(nèi)陸人員漂流時(shí)穿的,防洪,水上運(yùn)動(dòng)等。
2.漂浮的條件:保持身體垂直或傾斜,頭露出水面。
主要參數(shù):浮力≥7.5kg 
材料:珍珠棉,發(fā)泡聚乙烯(浮力損失浸泡在水中后,在 24小時(shí)小于5%)