Senju Sprinkler has been in the business of manufacturing and selling fire sprinkler heads in Japan for more than half a century. This has earned us the top spot on the Japanese market with unbeatable 70% market share. We are dedicated to developing and producing sprinkler heads that save human lives and protect property. Our products pass vigorous performance tests and have met universal quality standards. By using solder as a thermal sensor for fire detection, our sprinkler heads withstand the test of time and perform unfailingly in case of fire.