Where to buy Xinyang octagonal hollow mandrel size 760 * 460, octagonal hollow mandrel find Li Li 13,383,388,737 Union Annex: Accessories (three-way valve, 0.1mpa gauge), and rubber inflatable balloon connected. release agent for the soap powder in water. (water: soap powder = 20: 1) in the rubber inflatable balloon surface evenly release agent (at least three times smear) octagonal hollow mandrel +, hollow beam inflatable mold + into the mold. with a rope pulling the end of a rubber inflatable balloon penetration of concrete reinforcement cage, and to be placed outside the inflatable at the mouth. The best round balloon not only for slab production, also it can be used for making ditches tunnel, the longest length of 50 m can be made. octagonal hollow mandrel soft and shrink when not inflated, arbitrary folded, curled, many excellent features make the inflatable mandrel, increasingly wide range of applications in various areas of building construction. Fengcheng old Zhang always gt Customer hollow balloon mold, has now become the dominant trend of the material, not just for precast hollow member companies every day shipping Anhui: Hefei, Bengbu, Wuhu, Ma'anshan, Huainan, Huaibei Huangshan Chuzhou Tongling, Anqing, Suzhou, Fuyang, Bozhou Chizhou Xuancheng Lu'an, Chaohu Fujian: Fuzhou, Xiamen, Putian, Sanming, Quanzhou, Zhangzhou, Nanping, Longyan, Ningde, Jiangxi: Nanchang, Jingdezhen, Pingxiang Jiujiang Xinyu Yingtan, Ganzhou, Ji'an Yichun Fuzhou 饶山东: Jinan, Qingdao, Zibo, Zaozhuang, Dongying, Yantai, Weifang, Weihai, Jining, Tai'an Rizhao Laiwu Linyi Dezhou, Liaocheng, Binzhou, Heze South Africa Henan: Zhengzhou, Kaifeng, Luoyang, Pingdingshan, Jiaozuo Hebi, Xinxiang, Anyang, Puyang Luohe, Xuchang provider Qiu Xinyang Sanmenxia Nanyang Zhoukou Zhumadian