国产周晓琳在线播放第一页,久久综合狠狠综合久久97色,男女激情视频国产免费观看,亚洲一线在线观看,亚洲视频手机在线,香蕉大战欧美在线看黑人,97人人澡人人爽91综合色区

Jinzhou Special Welding Electrode Co.,Ltd. was founded in 1993, is located in Taihe District,Jinzhou City,Liaoning Province, is one of largest special welding consumable manufacturer. Crownalloy is the product brand of JTH (Jinzhou Special Welding Electrode Co.,Ltd.). JTH have more than 200 kinds of products. The real annual output is 3,000 metric tons MMA electrodes, FCW 3,000 metric tons, solid wire 5,000 metric tons and flux 1,500 metric tons. The welding consumables of JTH are as below.