Hongrui Boya professionally supplys Road, bridge and building support, expansion joint, waterproof materials. It belongs to Shuanglin Group, which has one factory, three companies for home market. 50 workers, 8 enginnerings, and over 20years experience of manufacture.Main products are Bridge bearings, bridge expansion joint, rubber bentonite waterstop, rubber air bag, polysulfide sealant etc.ISO certification, CE standard, AASHTO, and SGS test, with a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in infraconstruction and other industries.

Business Type	Trading Company	Country / Region	Tianjin, China
Main Products	hydrophilic waterstop, rubber waterstop, bridge bearing, bridge expansion joint, pvc waterstop	Total Employees	51 - 100 People