All is class Mr Type roll door has beautiful generous, permanent durable, deeply favored by consumers.
全系列澳式卷门具有美观大方，经久耐用，深受消费者青睐。
YCK series of permanent magnetic level sensor, which were submitted for national invention patent, boast for the virtue of being reliable, durable and maintenance-free.
最新研发的YCK系列永磁式料位器已申报国家发明专利，具有可靠、耐用、免维护等优点，是阻旋式料位器理想的升级换代产品。
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