洛阳建通建材专业供应加工各种柔性刚性防水套管、人防套管，风管；密闭套管等预埋产品，国标中标非标，市区免费送货。异地用户物流发货，货款可代收。加工刚性防水套管、02S404柔性防水套管、A型防水套管、B型防水套管，人防套管、顶板钢制防水套管等各种相关产品。

Luoyang jiantong specialized in processing all kinds of waterproof casing, air casing, casing and other closed embedded products, low prices, free shipping. Processing of rigid waterproof casing, flexible waterproof casing, air defense waterproof casing, roof steel waterproof casing, such as a variety of casing. Songxian Ruyang waterproof casing, rigid flexible waterproof casing, waterproof casing, Mengjin Yiyang rigid flexible waterproof casing, waterproof casing, Luoning Yanshi flexible waterproof casing, casing, Luanchuan Xin'an County flexible rigid and flexible waterproof casing, the casing of Yichuan civil air defense. Xigong, Jianxi, city, high tech Zone, Chanhe offshore area, Luolong District Geely waterproof casing, hi tech Development Zone, the regional rapid processing of the supply of building pre buried sleeve. You have a phone call to solve the
problem of casing, we send samples to the city home, home delivery allows you to easily purchase!

洛阳建通建材是专门针对建材、管道等专业服务的单位，经验丰富，产品涵盖建筑、市政、热电、水利、煤矿、矿山、引水等行业的给排水专业项目中，有较高的信誉度。  B型A型柔性防水套管参考体积可以看出B型A型在产品的非压兰一端内部架构有明显不同，b型产品中有焊接挡圈，a型中没有。a、b型主要区分体现在安装管道过程的密封状况不一样，a型的产品非压兰端内部要全部填满油麻沥青填料，而b型只需要填部分即可。