Woltman Meter
YOUNIO (ZHEJIANG YOUNIO WATER SUPPLY EQUIPMENT CO., LTD)
Key structure is made up of rotary carried helical blades which goes around as the same direction of water flow.
YOUNIO (ZHEJIANG YOUNIO WATER SUPPLY EQUIPMENT CO., LTD)
Key structure is made up of rotary carried helical blades which goes around as the same direction of water flow.
