Qingdao Sanhedacheng International Trade Co., Ltd: SDL is committed to delivering sustainable, trustworthy, and reliable powder machinery and powder raw materials such as epoxy resin and polyester
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1. Compact appearance and powerful function
2. Has 17 global patents, source manufacturers
3. Soft water and splash proof
4. Match multiple taps
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For example, a lamp only needs one switch to control, we can choose single control switch. But sometimes for convenience, we choice double control switch,because two switches can control the same
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