DONGGUAN TENYU TECH.INC. focus on research, development, production and sales of various types of automatic fire extinguishing device of fire protection products. The company of various types of automatic fire extinguishing device products mainly include: suspension type automatic fire extinguishing ball, home installation type automatic fire extinguishing ball throwing type automatic arc light fireball, automotive engine automatic fire extinguishing device. The company's products have passed the national fire inspection report: CE, ROHS certification and so on. So far, our products are mainly exported to the United States, France, Turkey, Saudi Arabia, Italy, Dubai, South Korea and other countries.