High and new technology enterprise certificate

IC card water meter appearance patent

IC card water meter waterproof control box practical patent

Fully sealed waterproof IC card intelligent water meter control box practical patent

Fully sealed waterproof and fog-free card water meter control box utility patent

The utility patent of electrical and electrical separation IC card water meter with transmission and induction function

The utility patent of IC intelligent water meter control box with full sealing and waterproof

Electrical and electrical separation type water meter message movement utility patent

Electronic remote water meter counter utility patent

The utility patent of control box of electronic remote valve control water meter

Photoelectric direct reading regulating valve type water meter appearance patent

Trademark Registration Certificate

Utility patent of water meter movement

Patent of appearance of ultrasonic heat meter

The utility patent of rapid rotary device of ultrasonic heat meter