Zhongshan Tender Electric Appliance Co., Ltd. was established in 1985, with the brand name TNC, usually has reputation for innovative design, adhering to the spirit of craftsmen, specializing in the field of electric product for 36 years. In the early years, TNC developed the piano switch for home appliances, and built up the strategic relationship with top home appliance manufacturers, became the hidden champion in this field. In 2005, TNC been honored the leading manufacturer for metal plate switch(boss is very good at hardware); TNC is always driven by innovation, when the frameless switch with high competition on the market. We developed Q6 series, the most successful series, very special design, frameless but with groove at the bottom.