色欲AV无码国产精品午夜|在线观看无码不卡三级AV|亚洲国产小视频在线播放|91无码人妻精品一区二区三区|欧美一二三级精品 久久99精品欧美一区-大影视频

Listed on the Shenzhen Stock Exchange on November 29, 2018, with IPO number 002943. The company is an intelligent equipment manufacturing enterprise closely around photovoltaic, new energy vehicles and consumer electronics industry which specializing in the development，design production and sales of multi-wire saw，lapping and polishing machine，precision forming CNC machine and other hard and fragile material processing machine. Our products are mainly used for precision processing of hard and fragile materials such as cover glass and back cover glass of mobile phone, solar photovoltaic silicon wafer, magnetic material, sapphire, silicon carbide, window glass, LED semiconductor lighting, piezoelectric crystal and ceramics, etc., which are widely used in consumer electronics, automotive industry, semiconductors, instruments and other fields .It is in a leading position in the field of R & D and production of multi-wire saw, lapping and polishing machine in China.