Dalian Longzheng Polishers Manufacture Co., Ltd. is a hi-tech enterprise and extensively renowned for its professional manufacturing of polishing machine. Our company has passed the ISO9001: 2000 Quality Control System and ISO14001 Environment Control System by China Certification Center For Quality Mark.
For many years that we keep producing more than 600 kinds of components and parts for the Mitsubishi Heavy Industry of Japan, one of World Top 500. The headquarters of MHI has conferred the plaque of “Excellent Supporting Workshop” because of our great machining capacity and scientific production management, and our products are free of their inspection.

Our new product, JZJ01 Diode Pin Straightening Machine has been researched and developed for more than 8 years. We have the intellectual property right on it. Such machine is indeed high-performance automatic equipment for diode manufacturers. It can absolutely take the place of labor to work and has successfully settled the key trouble that has impeded the technical progress of diode industry. It has been adopted by several electronics cooperations, winning high appreciation from the clients.
We are willing to cooperate with people from all walks of life with a view to promoting Longzheng brand to the resplendence of becoming a world-famous one.