Deep Drilling Work  Manufacturers, Traders, Suppliers

Quality first. Reputation established.
Under the long-term corporate philosophy of quality first and customer first, all employees of Cheng Yi Precision Technology Co., Ltd. and the company have been growing steadily together. Our related company is Long Jian Rong Enterprise Ltd. (LJR), which is responsible for the production of automatic bar feeder parts, while CHENG YI is responsible for the production of lathe parts. The CHENG YI, LJR dual brand is marketed all over the world.
Our company upholds the principle of equality and mutual benefit. We have built up a core competitive advantage with a sound management system and quick response to the market. Thus, established a good reputation and cooperation base. We have been cooperating with dozens of automatic bar feeder companies and CNC automatic lathe companies in China and abroad for decades. Our products are sold in 27 countries in Europe, USA, and Asia. With excellent technology and experience, we provide our customers with top quality products. With innovations and breakthroughs, we achieve business sustainability.


We are committed to satisfying our customers' needs with our customer-first and enthusiastic service. We are constantly developing new products and equipment. In addition, we continue to improve our manufacturing technology and strict quality control to provide our customers with different needs and to win their trust with prompt delivery. We welcome machine manufacturers, hardware dealers and distributors from all over the world to discuss with us cooperation.
Through the efforts of all the employees over the years, we have cooperated with 33 automatic bar feeders around the world. We continue to expand our operations, keep our philosophy of continuous improvement, to provide the best C/P value products to our customers. We constantly take the challenge of meeting the product quality of advanced countries like Germany and Switzerland. Our ultimate goal is to surpass Germany and Switzerland.