1. YYLZD long distance metal float flowmeter
2. YYLZZ metal tube floater flowmeter
3. YYRS-200 insertion type thermal gas flowmeter
4. YYZL-100 pipe type thermal gas flowmeter
5. YYLGW-W Venturi flowmeter
6. YYLGV-V intelligent V cone flowmeter
7. YYLGB-A intelligent orifice flowmeter
8. YYTUF-2000F fixed integrated ultrasonic flowmeter
9. YYTUF-2000H hand held ultrasonic flowmeter
10. YYTUF-2000P portable ultrasonic flowmeter TAG：