Company Introduction

Dalian Longzheng Polishing Machine Manufacture Co., Ltd. is a high-tech enterprise taking research and development as the driving force. As a leading manufacturer of polishing equipment in China, the company has had more than 50 national patents, wherein 2 patented products have passed the identification of national technical achievements and reached international advanced and domestic leading level and can substitute imported products. In 2009, the two products were approved as technical innovation projects by the state. The products of the company have occupied about 20% of the domestic market share and are widely applied to industries of aviation, ships, automobiles, bearings, chains, coinage, gold & silver jewelry, etc. At the same time, the company is one of the drafters of domestic industry standards and the vice chairman unit of China Association for Quality Promotion.
Liu Chengji, the chairman and general manager of the company is the member of Abrasion Failure Analysis and Prevention Committee, the member of China Bearing Industry Association, etc.
As the manufacturer of products passing the certification of ISO9000 Quality Management System, the certification of ISO14000 Environmental Management System and CE certification, the company provides the confidence and guarantee for Longzheng products for respectable guests; meanwhile, we have taken the lead in implementing ERP in the industry to improve quality and management level and support the realization of our strategic goal;
All kinds of polishing equipment developed and produced by the company wins good reputation in China and is purchased by four large bearing groups in China (Ha, Wa, Luo and Northwest Bearings), Xi’an Airlines, Southern Airlines, Shenyang Aircraft, Capital Airlines, Shenzhen Guobao, Shenyang Coinage, Zhongchao Great-wall Gold and Silver, Beijing Baoquan Commemorative Coin Branch Co., Ltd., etc. Our products are also adopted and approved by more and more world-class manufacturers such as Bosch, Fag, Timken, Renold
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