Basic Info.
Driving Type
DC Brushless Motor
Material
Stainless Steel AISI304/316L
Application
Submersible Pump
Industry
Farm, Irrigation, Garden, Pool
Performance
Automatic Pump
Theory
Helical Rotor Pump
Rated Voltage
12V, 24V, 48V, 36V, 60V, 72V, 90V, 110V
Controller
MPPT & DSP Solar Pump Controller
Certificate
CE, ISO9001, RoHS
Deliery
3 Days for Sample Order, 15days for Bulk Order
Transport Package
Carton and Wooden Case
Product Description
>>> SOLAR PUMPING SYSTEM Solar pumping system mainly consists of PV modules, solar pumping controller / inverter and water pumps, Solar panels convert sunlight to electrical energy which is passed to the solar pump controller, The solar controller stabilizes the voltage and output power to drive the pump motor, Even on cloudy days,it can pump 10% water flow per day. Sensors are also connected to the controller to protect the pump from running dry as well as to automatically stop the pump working when the tank is full. Solar panel collects sunlight→DC electricity energy → solar controller (rectification,stabilization,amplification,filtering)→available DC electricity→(charge the batteries)→pumping water >>> APPLICATION solar powered water pumps are mainly used in: 1. Irrigation of agriculture. 2. Drinking water and living water. 3. Remote areas, farming4. Fountains. 5. Swimming pool circulation and filtration. >>> ADVANCED TECHNOLOGY CONTROLLER- MPPT: Maximum Power Point Tracking- DSP: Digital Signal Processing - Running Speed Control: stepless speed regulation- Timing function: Set pump running time- Over current protection: Motor stops automatically when stucked - Soft starting protection: Protect the motor & bearing- Lack of water protection: Restart Automatically upon the Water Level- Low-voltage / Over-voltage protection: Protect the motor & controller - Reverse voltage protection: Circuit breaking automatically when reverse connection- Short-circuit protection: Automatically stops when Short wiring of motor MOTOR- The efficiency is improved 25% by the permanent magnetism,direct current, brushless, non-sensor motor.- Adopt double plastic package for rotor and stator,motor insulation ≥300MΩ,the motor security was much improved.- 100% copper wire, DW-300 cold-rolled silicon steel sheet.- Stainless steel 304 & 316 shaft , motor body, screw. >>> MATERIAL OF PARTS - Outlet: stainless steel AISI 304 or AISI 316L
- Pump body: stainless steel AISI 304 or AISI 316L
- Motor body: stainless steel AISI 304 or AISI 316L
- Motor Shaft: stainless steel AISI 304 or AISI 316L
- Mechanical seal: Special seal for deep well(Graphite-Ceramic)
- Bearing: C&U or NSK
>>> REFERENCE FOR SOLAR PANEL Since the sunlight/sunshine is not the same in different countries /regions on earth, the solar panels connection will be slightly changed when installed in different place, In order to ensure the same/similar performance & efficiency,The recommended solar panels power = Pump Power * (1.2-1.4)>>> Solar Water Pump System Complete Set | 1. Solar pump with 5m cable, longer cable is available if required |
| 2. MPPT &DSP Controller |
| 3. Water level sensor or float switch |
| 4. Other Accessories: Outlet / MC4 PV Cable Connector / PTFE Tape / Electric tape / screwdriver / Pipe hoop / Water pipe connector |
| 5. Nylon Rope to hang the pump |
| 6. Screw or Impeller for replace |
| 7. Installation Manual |
| 8. Solar panels are option |
1. Where will the pump be used?
2. How much water discharge ( liters or gallon or m3) required per day or per hour? 3. Do you need a submersible pump or surface pump?
4. If you want to pump the water from borehole(deep well), the depth of borehole?
5. The pipe distance from the top of borehole or river to destination tank? Is the distance slope or horizontal?
6. The height of tank? | Helical Rotor Pump for min. 3" borehole |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z3SS0.5-28-12-80 | 12V | 20V-36V | 80W | 0.5m³/h | 28m | 0.75'' | 2m | <50V | ≥1.3*PUMP POWER | 695 | S230(Z270)*160 | 10.5 |
| Z3SS1.2-56-24-120 | 24V | 30V-48V | 120W | 1.2m³/h | 56m | 0.75'' | 2m | <50V | ≥1.3*PUMP POWER | 695 | S230(Z270)*160 | 10.5 |
| Z3SS1.2-77-36-210 | 36V | 30V-48V | 210W | 1.2m³/h | 77m | 0.75'' | 2m | <50V | ≥1.3*PUMP POWER | 695 | S230(Z270)*160 | 10.5 |
| Z3SS1.7-109-48-500 | 48V | 60V-90V | 500W | 1.7m³/h | 109m | 0.75'' | 2m | <100V | ≥1.3*PUMP POWER | 710 | S230(Z270)*160 | 11 |
| Z3SS2.0-150-72-750 | 72V | 90V-120V | 750W | 2.0m³/h | 150m | 0.75'' | 2m | <150V | ≥1.3*PUMP POWER | 710 | S230(Z270)*160 | 11.5 |
| Z3SS2.2-180-110-1100 | 110V | 110-150V | 1100W | 2.2m³/h | 180m | 0.75'' | 2m | <200V | ≥1.3*PUMP POWER | 725 | S230(Z270)*160 | 11.5 |
| | | | | | | | | | | | | |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z4SS1.7-70-48-500 | 48V | 60V-90V | 500W | 1.7m³/h | 70m | 1'' | 2m | <100V | ≥1.3*PUMP POWER | 764 | S230(Z270)*160 | 12.5 |
| Z4SS2.0-95-72-750 | 72V | 90V-120V | 750W | 2.0m³/h | 95m | 1'' | 2m | <150V | ≥1.3*PUMP POWER | 779 | S230(Z270)*160 | 13 |
| Z4SS2.0-110-110-1100 | 110V | 110V-150V | 1100W | 2.0m³/h | 110m | 1'' | 2m | <200V | ≥1.3*PUMP POWER | 794 | S230(Z270)*160 | 13.5 |
| Z4SS2.2-150-110-1300 | 110V | 110V-150V | 1300W | 2.2m³/h | 150m | 1'' | 2m | <200V | ≥1.3*PUMP POWER | 794 | S230(Z270)*160 | 13.5 |
| | | | | | | | | | | | | |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z3HS0.5-28-12-80 | 12V | 20V-36V | 80W | 0.5m³/h | 28m | 0.75'' | 2m | <50V | ≥1.3*PUMP POWER | 700 | S230(Z270)*160 | 11.5 |
| Z3HS1.2-56-24-120 | 24V | 30V-48V | 120W | 1.2m³/h | 56m | 0.75'' | 2m | <50V | ≥1.3*PUMP POWER | 700 | S230(Z270)*160 | 11.5 |
| Z3HS1.2-77-36-210 | 36V | 30V-48V | 210W | 1.2m³/h | 77m | 0.75'' | 2m | <50V | ≥1.3*PUMP POWER | 715 | S230(Z270)*160 | 11.5 |
| Z3HS1.7-109-48-500 | 48V | 60V-90V | 500W | 1.7m³/h | 109m | 0.75'' | 2m | <100V | ≥1.3*PUMP POWER | 715 | S230(Z270)*160 | 12 |
| Z3HS2.0-150-72-750 | 72V | 90V-120V | 750W | 2.0m³/h | 150m | 0.75'' | 2m | <150V | ≥1.3*PUMP POWER | 730 | S230(Z270)*160 | 12.5 |
| Z3HS2.2-180-110-1100 | 110V | 110-150V | 1100W | 2.2m³/h | 180m | 0.75'' | 2m | <200V | ≥1.3*PUMP POWER | 730 | S230(Z270)*160 | 12.5 |
| | | | | | | | | | | | | |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z4HS1.7-70-48-500 | 48V | 60V-90V | 500W | 1.7m³/h | 70m | 1'' | 2m | <100V | ≥1.3*PUMP POWER | 793 | S230(Z270)*160 | 14 |
| Z4HS2.0-95-72-750 | 72V | 90V-120V | 750W | 2.0m³/h | 95m | 1'' | 2m | <150V | ≥1.3*PUMP POWER | 808 | S230(Z270)*160 | 14.5 |
| Z4HS2.0-110-110-1100 | 110V | 110V-150V | 1100W | 2.0m³/h | 110m | 1'' | 2m | <200V | ≥1.3*PUMP POWER | 823 | S230(Z270)*160 | 15 |
| Z4HS2.2-150-110-1300 | 110V | 110V-150V | 1300W | 2.2m³/h | 150m | 1'' | 2m | <200V | ≥1.3*PUMP POWER | 823 | S230(Z270)*160 | 15 |
| Centrifugal Pump for min. 3" borehole |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z3PC3-25-24-200 | 24V | 30V-48V | 200W | 3.0m³/h | 25m | 1.25'' | 2m | <50V | ≥1.3*PUMP POWER | 853 | S230(Z270)*160 | 12 |
| Z3PC3-35-24-300 | 24V | 30V-48V | 300W | 3.0m³/h | 35m | 1.25'' | 2m | <50V | ≥1.3*PUMP POWER | 853 | S230(Z270)*160 | 12 |
| Z3PC3.5-47-48-400 | 48V | 60V-90V | 400W | 3.5m³/h | 47m | 1.25'' | 2m | <100V | ≥1.3*PUMP POWER | 913 | S230(Z270)*160 | 12.5 |
| Z3PC3.5-80-72-600 | 72V | 90V-120V | 600W | 3.5m³/h | 80m | 1.25'' | 2m | <150V | ≥1.3*PUMP POWER | 1002 | S230(Z270)*160 | 13 |
| Z3PC3.5-95-72-750 | 72V | 90V-120V | 750W | 3.5m³/h | 95m | 1.25'' | 2m | <150V | ≥1.3*PUMP POWER | 1025 | S230(Z270)*160 | 13 |
| Z3PC3.8-123-110-1100 | 110V | 110-150V | 1100W | 3.8m³/h | 123m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 1085 | S230(Z270)*160 | 14 |
| Z3PC3.8-155-110-1300 | 110V | 110-150V | 1300W | 3.8m³/h | 155m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 1152 | S230(Z270)*160 | 14.5 |
| Z3PC3.8-180-110-1500 | 110V | 110-150V | 1500W | 3.8m³/h | 180m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 1242 | S230(Z270)*160 | 15 |
| | | | | | | | | | | | | |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z3PC5.2-45-48-500 | 48V | 60V-90V | 500W | 5.2m³/h | 45m | 1.5'' | 2m | <100V | ≥1.3*PUMP POWER | 879 | S230(Z270)*160 | 12.5 |
| Z3PC5.2-50-72-600 | 72V | 90V-120V | 600W | 5.2m³/h | 50m | 1.5'' | 2m | <150V | ≥1.3*PUMP POWER | 879 | S230(Z270)*160 | 13 |
| Z3PC5.2-75-72-750 | 72V | 90V-120V | 750W | 5.2m³/h | 75m | 1.5'' | 2m | <150V | ≥1.3*PUMP POWER | 977 | S230(Z270)*160 | 13 |
| Z3PC6-84-110-1100 | 110V | 110V-150V | 1100W | 6.0m³/h | 84m | 1.5'' | 2m | <200V | ≥1.3*PUMP POWER | 992 | S230(Z270)*160 | 14 |
| Z3PC6-125-110-1500 | 110V | 110V-150V | 1500W | 6.0m³/h | 125m | 1.5'' | 2m | <200V | ≥1.3*PUMP POWER | 1113 | S230(Z270)*160 | 15 |
| Z3PC7.5-43-72-750 | 72V | 90V-120V | 750W | 7.5m³/h | 43m | 1.5'' | 2m | <150V | ≥1.3*PUMP POWER | 935 | S230(Z270)*160 | 13 |
| Z3PC7.5-62-110-1100 | 110V | 110V-150V | 1100W | 7.5m³/h | 62m | 1.5'' | 2m | <200V | ≥1.3*PUMP POWER | 1017 | S230(Z270)*160 | 14 |
| Z3PC7.5-78-110-1500 | 110V | 110V-150V | 1500W | 7.5m³/h | 78m | 1.5'' | 2m | <200V | ≥1.3*PUMP POWER | 1085 | S230(Z270)*160 | 15 |
| | | | | | | | | | | | | |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z4PC6-32-48-400 | 48V | 60V-90V | 400W | 6.0m³/h | 32m | 1.25'' | 2m | <100V | ≥1.3*PUMP POWER | 820 | S230(Z270)*160 | 14 |
| Z4PC6-42-72-600 | 72V | 90V-120V | 600W | 6.0m³/h | 42m | 1.25'' | 2m | <150V | ≥1.3*PUMP POWER | 835 | S230(Z270)*160 | 14.5 |
| Z4PC6-56-72-750 | 72V | 90V-120V | 750W | 6.0m³/h | 56m | 1.25'' | 2m | <150V | ≥1.3*PUMP POWER | 862 | S230(Z270)*160 | 14.5 |
| Z4PC6-84-110-1100 | 110V | 110V-150V | 1100W | 6.0m³/h | 84m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 930 | S230(Z270)*160 | 16 |
| Z4PC6-112-110-1300 | 110V | 110V-150V | 1300W | 6.0m³/h | 112m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 984 | S230(Z270)*160 | 16.5 |
| Z4PC6-135-110-1500 | 110V | 110V-150V | 1500W | 6.0m³/h | 135m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 1037 | S230(Z270)*160 | 17 |
| | | | | | | | | | | | | |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z4PC9-45-110-750 | 110V | 110V-150V | 750W | 9.0m³/h | 45m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 856 | S230(Z270)*160 | 14.5 |
| Z4PC9-58-110-1100 | 110V | 110V-150V | 1100W | 9.0m³/h | 58m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 884 | S230(Z270)*160 | 16 |
| Z4PC9-71-110-1300 | 110V | 110V-150V | 1300W | 9.0m³/h | 71m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 912 | S230(Z270)*160 | 16.5 |
| Z4PC9-85-110-1500 | 110V | 110V-150V | 1500W | 9.0m³/h | 85m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 941 | S230(Z270)*160 | 17 |
| Z4PC13-36-110-750 | 110V | 110V-150V | 750W | 13m³/h | 36m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 873 | S230(Z270)*160 | 14.5 |
| Z4PC13-49-110-1100 | 110V | 110V-150V | 1100W | 13m³/h | 49m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 873 | S230(Z270)*160 | 16 |
| Z4PC13-54-110-1300 | 110V | 110V-150V | 1300W | 13m³/h | 54m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 908 | S230(Z270)*160 | 16.5 |
| Z4PC13-60-110-1500 | 110V | 110V-150V | 1500W | 13m³/h | 60m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 1040 | S230(Z270)*160 | 17 |
| Z4PC17-48-110-1500 | 110V | 110V-150V | 1500W | 17m³/h | 48m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 1000 | S230(Z270)*160 | 17 |
| Stainless Steel Impeller Centrifugal Pump for min. 3" borehole |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z3SC4-35-24-300 | 24V | 30V-48V | 300W | 4.0m³/h | 35m | 1.25'' | 2m | <50V | ≥1.3*PUMP POWER | 758 | S230(Z270)*160 | 13 |
| Z3SC4-50-48-400 | 48V | 60V-90V | 400W | 4.0m³/h | 50m | 1.25'' | 2m | <100V | ≥1.3*PUMP POWER | 793 | S230(Z270)*160 | 13.5 |
| Z3SC4-80-72-600 | 72V | 90V-120V | 600W | 4.0m³/h | 80m | 1.25'' | 2m | <150V | ≥1.3*PUMP POWER | 853 | S230(Z270)*160 | 14 |
| Z3SC4.8-95-72-750 | 72V | 90V-120V | 750W | 4.8m³/h | 95m | 1.25'' | 2m | <150V | ≥1.3*PUMP POWER | 913 | S230(Z270)*160 | 14.5 |
| Z3SC4.8-112-110-1100 | 110V | 110V-150V | 1100W | 4.8m³/h | 112m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 988 | S230(Z270)*160 | 15 |
| Z3SC4.8-135-110-1500 | 110V | 110V-150V | 1500W | 4.8m³/h | 135m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 1028 | S230(Z270)*160 | 15.5 |
| | | | | | | | | | | | | |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z4SC5.2-45-48-500 | 48V | 60V-90V | 500W | 5.2m³/h | 45m | 1.25'' | 2m | <100V | ≥1.3*PUMP POWER | 776 | S230(Z270)*160 | 14 |
| Z4SC5.2-67-72-750 | 72V | 90V-120V | 750W | 5.2m³/h | 67m | 1.25'' | 2m | <150V | ≥1.3*PUMP POWER | 831 | S230(Z270)*160 | 15 |
| Z4SC5.2-101-110-1100 | 110V | 110V-150V | 1100W | 5.2m³/h | 101m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 906 | S230(Z270)*160 | 16 |
| Z4SC5.2-146-110-1300 | 110V | 110V-150V | 1300W | 5.2m³/h | 146m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 986 | S230(Z270)*160 | 20 |
| Z4SC5.2-198-110-1500 | 110V | 110V-150V | 1500W | 5.2m³/h | 198m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 1086 | S230(Z270)*160 | 22 |
| Z4SC7.5-80-110-1300 | 110V | 110V-150V | 1300W | 7.5m³/h | 80m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 986 | S230(Z270)*160 | 20 |
| Z4SC7.5-100-110-1500 | 110V | 110V-150V | 1500W | 7.5m³/h | 100m | 1.25'' | 2m | <200V | ≥1.3*PUMP POWER | 1086 | S230(Z270)*160 | 22 |
| Z4SC11-60-110-1500 | 110V | 110V-150V | 1500W | 11m³/h | 60m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 1000 | S230(Z270)*160 | 21 |
| Z4SC19-35-110-1500 | 110V | 110V-150V | 1500W | 19m³/h | 35m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 1000 | S230(Z270)*160 | 21 |
| Z4SC25-26-110-1500 | 110V | 110V-150V | 1500W | 25m³/h | 26m | 2'' | 2m | <200V | ≥1.3*PUMP POWER | 1000 | S230(Z270)*160 | 21 |
| | | | | | | | | | | | | |
| ITEM | Voltage | Optimum input
voltage(DC) | Power | Max. Flow | Max. Head | Outlet | Cable | Solar panel | Package | GW |
| Open circuit voltage (VOC) | Power | L(MM) | W X H(MM) | (KG) |
| Z4/6SC30-19-110-1100 | 110V | 110V-150V | 1100W | 30m³/h | 19m | 3'' | 2m | <200V | ≥1.3*PUMP POWER | 906 | S230(Z270)*160 | 19 |
| Z4/6SC36-22-110-1500 | 110V | 110V-150V | 1500W | 36m³/h | 22m | 3'' | 2m | <200V | ≥1.3*PUMP POWER | 981 | S230(Z270)*160 | 21 |
Address:
Daxi Industrial Zone, Wenling City, Zhejiang Province, China
Business Type:
Manufacturer/Factory
Business Range:
Industrial Equipment & Components
Management System Certification:
ISO 14001
Company Introduction:
Zhejiang Rambo Intelligent Technology Co., Ltd. is the leading manufacturer and exporter of water pumps in China, located in Daxi, Wenling, Zhejiang province.
With over 20 years experience and efforts, our products has diversified into wide range of selections to meet customers Needs which include Solar pumps, Submersible pumps, Deep well pumps, and Land domestic pumps, etc. While our latest Energy-saving products---Solar pumps have developed rapidly and got a great success during recent years. After several years′ Development, ZRI exports a wide range of pumping products to over 60 countries such as Thailand, Philippines and also Africa market like Kenya, Zambia, South Africa etc.
"ZRI" brand products are well received in the market as they are conforming to national international quality standards coupled with superior and durability. ZRI offers advanced water pumping solutions to a wide range of applications such as irrigation, horticulture, domestic water supply, commercial and industrial applications and so on.
Quality and energy efficiency are our hallmarks that instills pride in us as a pioneer in manufacture of many types of solar water pumps. Our pumps are not only energy efficient, but also long-lasting and very easy to maintain. With superior quality and affordable prices at global benchmarks, we are competing with globally-renowned businesses thanks to our advanced production facilities, high-tech processes and innovative designs which set us apart from the rest. We believe in quality, ethics and customer orientation that drives us to work our way up to become world class.
Because we have been able to put quality hand-in-hand with energy efficiency ZRI is at the forefront of the global pump industry. In short, we are able to offer our customers some of the best pumping solutions available in the world today
Besides the sound quality control system, ZRI has a group of professional technical engineers and a strong R& D team. Our engineers are able to provide expert technical support with the most efficient and cost effective solutions. The R& D team satisfies customers with specialized design and develops new products according to market demand.
ZRI has good cooperative relationships with some noted universities and institutes, and also famous manufacturers in Europe. It greatly strengthens ZRI′ S R& D ability.
To do the best pump from China is ZRI′ S purpose
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