Qingdao Proguanq Co., Ltd., is a joint venture specializing in the manufacture and export of soundproof materials for buildings in China. It is invested by Qingdao Guanqing Corporation Ltd. and PROTASA Corporation Ltd with its head office located in Spain. We have made persistent efforts on environment protection, noise pollution control and providing our customers with knight services. At the same time, our staff are always devoted to...
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