tests for fire resistance of building joint systems 建筑物连接系统的耐火性试验
waterproofing polyvinyl chloride building jointing material 聚氯乙烯建筑防水接缝材料
changzhou haoke anticorrosive equipment co ., ltd is a new-built joint stock cooperative enterprise 常州豪科防腐设备有限公司是一家新兴的股份合作企业。
qingdao xuxing suitcases and bags co ., ltd . a newly-built joint venture registered in 2001, lies in chengyang developing zone of qingdao, a coastal city 青岛旭星箱包有限公司青岛旭星箱包有限公司是2001年注册新建的合资企业。