Supplier product
Hebei Juling Instrument Manufacturing Co., Ltd.
Local prepaid control for heating or chilled-water connections.
This Juling valve uses a contactless IC card to manage prepaid heating or cooling access. The source describes payment by service period and automatic closure when the credited time expires. Separate user and management cards are listed, along with selectable regulating versions. A standard valve-body option is described as allowing a later controller upgrade.
Hebei Juling Instrument Manufacturing Co., Ltd. · Zhangjiakou, Hebei
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Source reviewed: 2026-11-07. This directory summary organises the supplier’s published product information.
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