Xiaotun Industrial Zone,Qinghe County

Hebei Wanlong Sealing Technology Co., Ltd. is a manufacturer of seal strips, electronic fire extinguishers, damping blocks, sealing putty, and blocking mud skin with well-equipped testing equipment an...

P. O. Box 447

CSD sealing systems specializes in Water, Gas and Fire Stop sealing systems for pipe and cable transits. We are a Dutch based company with Reps and Distribution wordwide. We have the US and UK Navies ...