Formulated specially for fire protection CPVC sprinkler piping, HY-550 solvent cement owns superior flame retardant and heat resistant performance. Heavy-bodied formula ensures tight, durable pipe connections. Headquartered in Shunde, Foshan, Foshan Shunde Guanye Building Materials Industrial Co., Ltd. owns the self-operated brand H&Y Hongye, which was launched back in 1996. For nearly three decades, the company has specialized in the research, development and production of