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differential pressure gauge & switch

Refrigeration and mechanical pressure gauge and pressure switch for individual products into one unified, and applied high- precision pressure sensor and digital control device combines multi-frozen in our patent refers to the pressure switch is a ...

heat recovery central air conditioner

1.safety:water and electric separately 2.using complete free hot water when the unit is opeating at cooling or heating model,super energy-saving and environment protection(super COP as high as 7.0) 3.convenient:intelligent microprocessor with touch ...