国产h视频在线观看-国产h视频在线观看网站免费-国产jizzhd精品国产-国产jizzjizz视频-国产jjizz女人多水喷水-国产jk精品白丝av在线观看

ShanDong Zhengyu Machinery Co.,Ltd is located in Pingyuan Taoyuan Industrial Area, which is the most active producing, processing and sales base of the tool machinery accessories in China. Zhengyu Precision Machinery Co.,Ltd is specialized in designing, manufacturing, marketing of the machinery tools accessories. The main products cover: Collets Series, CNC Tool Series, Milling Chuck series, Boring Heads Series, etc. We can supply accessories with German Standard, Japanese Standard, America Standard, International Standard and also China Standard. We can also design special products as your requirements. 
With the advanced testing and processing equipment, the strong technology, and the scientific management, Zhengyu Machinery is popular for its high precision and the thoughtful after-service both at home and abroad. It has taken the import and export license and ISO9001 quality system license. And has been exported to Germany, America, Canada, England, South-east Asia, India etc., which get favorable comments with its superior quality and reasonable price.
Zhengyu Precision Machine with the staff on the principle of integrity sincerely expected to establish business relationship with customers both at home and abroad, on the basis of mutual benefit. And warmly welcome your visit and enquiry.