Zhejiang Greenland Refrigeration Equipment Co.,Ltd.

With labyrinth sealing, straight flowing, no fluid pressure drop,  high switching speed, long lifetime, good sealing performance and size range of DN4-DN100, UL- and CE-certified. (GREENLAND owns the utility patent)

With ductile iron body, high anti-vibration & sealing performance, adjustable flow rate, long lifetime and size range of DN20-DN150, UL- and CE-certified. (GREENLAND owns the utility patent)

With good sealing performance, long lifetime, universal joint, adjustable flow rate, copper or iron body, UL- and CE-certified. (GREENLAND owns the utility patent)