日本黄色免费在线观看,潘金莲h漫全彩,色猫咪av,成人精品喷水视频www,久久久精品99久久精品36亚,美女久久99,亚洲深爱

Product manufacturing process
1.Pattern design and manufacture2.Wax injection3.Wax and assembling
4.Dipping into ceramic slurry5.Sanding6.Dewaxing
7.Pouring8.Shell removal9.Cutting
10.Gates dressed off and Surface finishing11.Quality inspection12.Finished casting


Copyright ? 2019 Ningbo Etdz Andrew Precision Cast Co.,Ltd TEL:0574-86183696 Manager:Mr.Ge

Design by:nbzzz