Shenzhen Kanghua Shengshi Industrial Co., LTD is a leading professional manufacturer of household detector and intelligent security voice alarm products, specialized in the development, sales of gas detection and measurement instruments and providing technical services for customers. with extensive production experience and advanced management system, KH Alert constantly develops new innovative products of the international level. In order to meet the strict quality requirements of our customers. we have passed ISO9001 international quality management system certification, Most of our products are guaranteed with CE, Rohs, UL2034, UL1484 and EN50291 certification, Our products have been exported to North America, Europe, South America, Middle East, Southeast Asia, Australia and other countries and regions. We always insist on providing better quality products and cheaper price for our customers all over the world.