Company Introduction

Located at Jinzhou Development Zone of Dalian, Dalian Longzheng Polishers Manufacture Co., Ltd. (Longzheng) covers a floor area of 30,000sq.m and building area of 10,000sq.m. Our company is a large-scale enterprise specializing in research, development, design and manufacture. Furthermore, our company is a specialized polisher manufacturer in China and a hi-tech enterprise in Dalian City, founded by Mr. Liu Chengji, a member of Abrasion & Malfunction Analyzing and Preventing Special Commission of Chinese Mechanical Engineering Society, and vice president of Dalian Municipal Mechanical Transmission Association, through many years' great efforts. Until now, our company has developed three main series (swirling type & oscillating type & roller type) of Longzheng brand polishers with 34 specifications, which are of independent intellectual property ownerships and have won 27 national patents. The precision machinery parts produced in our company have become test-free products for Japanese Mitsubishi and our company has been conferred with the plaque of Excellent Supporting Workshop by the headquarters of Japanese Mitsubishi. Longzheng brand polishers are extensively used for the polishing, chamfering and debarring of various metal and non-metal work pieces. Compared with other products in the same field, they feature special characteristics such as large turnout, high efficiency, energy-saving, low noise, no pollution and high quality, with the output and efficiency being over one time higher than that of other polisher producers. Our company, thus, is taking a leading place in domestic polisher field at present. Top-ranking products come from topping management, high quality, superior innovation, high-class credit standing and top-grade service. At present, Longzheng brand polishers are widely used in the fields of aviation, shipping, automobile, bearing, coin manufacturing, gold and silver jewelry. Our products are utilized by scores of such large-scale or medium-sized enterprises as Wafangdian Bearing Group, Luoyang Bearing Group, Harbin Bearing Group, First Automobile Works, Dongfeng Automobile, Xi'an Aviation Company, Shenyang Aircraft Corporation, Timken Wuxi Company and many other famous companies, wining high and unanimous appreciation from all clients. Longzheng brand polishers are not only sold in more than 30 provinces, cities and autonomous regions at home, but also delivered to such foreign countries or regions as America, Indonesia, Saudi Arabia, Singapore and Taiwan Area. "To be honest in life, to be sensible in business, with passion to serve your company" constitutes the everlasting goal for all Longzheng staff members, who are under the leadership of Mr. Liu Chengji, the board chairman and general manager of our company. We are willing to cooperate with people from all walks of life with a view to promote the polishing career of China.