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1. Whenever the hydraulic pressure is depressing ( for example: main power shut down, damage of the hydraulic pipe...ect). The check valve will remain the pressure for preventing any damage by accident.
2. Trade terms : FOB, CIF, EXW...
3. Delivery terms : ocean shipping, air coutier, DHL, Fedex, UPS, EMS...
4. Stock : 50pcs




